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BIG-Bench Extra Hard (BBEH) / Alice, Bob, Claire, Dave, Eve, Fred, and Gertrude are friends and avid readers…

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Alice, Bob, Claire, Dave, Eve, Fred, and Gertrude are friends and avid readers who occasionally trade books. At the start of the semester, they each buy one new book: Alice gets Ulysses, Bob gets Frankenstein, Claire gets Moby Dick, Dave gets The Odyssey, Eve gets The Great Gatsby, Fred gets Lolita, and Gertrude gets The Pearl.
As the semester proceeds, they start trading around the new books. First, Bob and Claire swap books. Then, nothing happens for a while (let's call it Action 1). Then, Eve and Bob swap books (let's call it Action 2). Then, Bob and Eve swap books (let's call it Action 3). Then, Claire and Alice swap books (let's call it Action 4). Then, Alice and Claire swap books (let's call it Action 5). Then, nothing happens for a while. Then, Action 1 repeats. Then, nothing happens for a while. Then, Claire and Dave swap books (let's call it Action 6). Then, Claire and Dave discuss something (let's call it Action 7). Then, Action 6 repeats. Then, Alice and Dave swap books (let's call it Action 8). Then, Alice and Dave discuss something (let's call it Action 9). Then, Alice and Dave swap books. Then, nothing happens for a while. Then, Claire and Gertrude swap books (let's call it Action 10). Then, Gertrude and Claire swap books (let's call it Action 11). Then, Gertrude and Fred swap books (let's call it Action 12). Then, Gertrude and Fred discuss something (let's call it Action 13). Then, Action 12 repeats. Then, Bob and Claire swap books (let's call it Action 14). Then, Claire and Bob swap books (let's call it Action 15). Then, Claire and Bob swap books. Then, Bob and Dave swap books (let's call it Action 16). Then, Dave and Bob swap books (let's call it Action 17). Then, Bob and Claire swap books. Then, Dave and Claire swap books (let's call it Action 18). Then, Claire and Fred swap books (let's call it Action 19). Then, Fred and Claire swap books (let's call it Action 20). Then, Action 6 repeats. Then, Bob and Gertrude swap books (let's call it Action 21). Then, Gertrude and Bob swap books (let's call it Action 22). Then, Claire and Bob swap books. Then, Bob and Gertrude swap books. Then, Gertrude and Bob swap books. Then, Action 14 repeats. Then, Bob and Gertrude swap books. Then, Bob and Gertrude discuss something (let's call it Action 23). Then, Bob and Gertrude swap books. Then, Alice and Eve swap books (let's call it Action 24). Then, Alice and Eve discuss something (let's call it Action 25). Then, Action 24 repeats. Then, Alice and Eve swap books. Then, Alice and Eve discuss something. Then, Alice and Eve swap books. Then, Claire and Bob swap books. Then, Claire and Bob discuss something (let's call it Action 26). Then, Action 15 repeats. Then, Eve and Claire swap books (let's call it Action 27). Then, Claire and Eve swap books (let's call it Action 28). Then, nothing happens for a while. Then, nothing happens for a while. Then, Fred and Claire swap books. Then, Fred and Claire discuss something (let's call it Action 29). Then, Fred and Claire swap books. Then, Gertrude and Claire swap books. Then, Claire and Gertrude swap books. Then, Bob and Eve swap books. Then, Bob and Eve discuss something (let's call it Action 30). Then, Bob and Eve swap books. Then, Action 11 repeats. Then, Claire and Gertrude swap books. Then, Eve and Alice swap books (let's call it Action 31). Then, Gertrude and Eve swap books (let's call it Action 32). Then, Eve and Claire swap books. Then, Claire and Eve swap books. Then, Eve and Gertrude swap books (let's call it Action 33). Then, Alice and Bob swap books (let's call it Action 34). Then, Bob and Alice swap books (let's call it Action 35). Then, Eve and Bob swap books. Then, Action 16 repeats. Then, Action 17 repeats. Then, Action 3 repeats. Then, Dave and Bob swap books. Then, Bob and Dave swap books. Then, Fred and Dave swap books (let's call it Action 36). Then, Dave and Fred swap books (let's call it Action 37). Then, Fred and Alice swap books (let's call it Action 38). Then, Fred and Alice discuss something (let's call it Action 39). Then, Fred and Alice swap books. Then, Alice and Claire swap books. Then, Claire and Alice swap books. Then, nothing happens for a while. Then, Gertrude and Alice swap books (let's call it Action 40). Then, Alice and Gertrude swap books (let's call it Action 41). Then, Alice and Dave swap books. Then, Alice and Dave discuss something. Then, Alice and Dave swap books. Then, Claire and Bob swap books. Then, Claire and Bob discuss something. Then, Claire and Bob swap books. Then, Fred and Gertrude swap books (let's call it Action 42). Then, Fred and Gertrude discuss something (let's call it Action 43). Then, Fred and Gertrude swap books. Then, Bob and Gertrude swap books. Then, Gertrude and Dave swap books (let's call it Action 44). Then, Dave and Gertrude swap books (let's call it Action 45). Then, Gertrude and Bob swap books. Then, Action 1 repeats. Then, Alice and Gertrude swap books. Then, Gertrude and Alice swap books. Then, nothing happens for a while. Then, nothing happens for a while. Then, Claire and Alice swap books. Then, Claire and Alice discuss something (let's call it Action 46). Then, Claire and Alice swap books. Then, nothing happens for a while. Then, nothing happens for a while. Then, nothing happens for a while. Then, Fred and Claire swap books. Then, Claire and Fred swap books. Then, Fred and Dave swap books. Then, Fred and Dave discuss something (let's call it Action 47). Then, Fred and Dave swap books. Then, Claire and Fred swap books. Then, Fred and Claire swap books. Then, nothing happens for a while. Then, Action 40 repeats. Then, Gertrude and Alice discuss something (let's call it Action 48). Then, Gertrude and Alice swap books. Then, nothing happens for a while. Then, nothing happens for a while. Then, Bob and Fred swap books (let's call it Action 49). Then, Bob and Fred discuss something (let's call it Action 50). Then, Bob and Fred swap books. Then, Gertrude and Bob swap books. Then, Action 21 repeats. Then, Action 11 repeats. Then, Claire and Gertrude swap books. Then, Action 8 repeats. Then, nothing happens for a while. Then, Fred and Alice swap books. Then, Fred and Alice discuss something. Then, Fred and Alice swap books. Then, Dave and Gertrude swap books. Then, Action 22 repeats. Then, Bob and Gertrude swap books. Then, Gertrude and Dave swap books. Then, Action 41 repeats. Then, Gertrude and Alice swap books. Then, Action 1 repeats. Then, nothing happens for a while. Then, Gertrude and Eve swap books. Then, Eve and Gertrude swap books. Then, Action 32 repeats. Then, Action 27 repeats. Then, Claire and Eve swap books. Then, Action 33 repeats. Then, Alice and Fred swap books (let's call it Action 51). Then, Fred and Dave swap books. Then, Dave and Fred swap books. Then, Fred and Alice swap books. Then, Dave and Gertrude swap books. Then, Dave and Gertrude discuss something (let's call it Action 52). Then, Dave and Gertrude swap books. Then, Action 1 repeats. Then, Dave and Bob swap books. Then, Dave and Bob discuss something (let's call it Action 53). Then, Dave and Bob swap books. Then, nothing happens for a while. Then, Action 28 repeats. Then, Action 27 repeats. Then, Gertrude and Bob swap books. Then, Gertrude and Bob discuss something (let's call it Action 54). Then, Gertrude and Bob swap books. Then, Action 8 repeats. Then, Action 18 repeats. Then, Claire and Dave swap books. Then, Dave and Alice swap books (let's call it Action 55). Then, Gertrude and Claire swap books. Then, Claire and Eve swap books. Then, Eve and Claire swap books. Then, Claire and Gertrude swap books. Then, Action 11 repeats. Then, Claire and Eve swap books. Then, Eve and Claire swap books. Then, Claire and Gertrude swap books. Then, nothing happens for a while. Then, Action 1 repeats. Then, Gertrude and Dave swap books. Then, nothing happens for a while. Then, Gertrude and Alice swap books. Then, Gertrude and Alice discuss something. Then, Action 40 repeats. Then, Action 41 repeats. Then, Gertrude and Alice swap books. Then, nothing happens for a while. Then, Eve and Alice swap books. Then, Eve and Alice discuss something (let's call it Action 56). Then, Eve and Alice swap books. Then, Bob and Eve swap books. Then, Eve and Gertrude swap books. Then, Gertrude and Eve swap books. Then, Eve and Bob swap books. Then, Action 28 repeats. Then, Action 33 repeats. Then, Action 32 repeats. Then, Eve and Claire swap books. Then, Alice and Claire swap books. Then, Claire and Alice swap books. Then, Action 14 repeats. Then, Bob and Claire discuss something (let's call it Action 57). Then, Action 14 repeats. Then, Gertrude and Bob swap books. Then, Gertrude and Bob discuss something. Then, Gertrude and Bob swap books. Then, nothing happens for a while. Then, Alice and Dave swap books. Then, Alice and Dave discuss something. Then, Alice and Dave swap books. Then, Claire and Dave swap books. Then, Dave and Eve swap books (let's call it Action 58). Then, Eve and Dave swap books (let's call it Action 59). Then, Action 18 repeats. Then, Action 33 repeats. Then, Gertrude and Claire swap books. Then, Claire and Gertrude swap books. Then, Gertrude and Eve swap books. Then, Fred and Bob swap books (let's call it Action 60). Then, Bob and Fred swap books. Then, Claire and Eve swap books. Then, Eve and Bob swap books. Then, Bob and Eve swap books. Then, Eve and Claire swap books. Then, Gertrude and Alice swap books. Then, Alice and Claire swap books. Then, Claire and Alice swap books. Then, Action 41 repeats. Then, Bob and Claire swap books. Then, Action 19 repeats. Then, Fred and Claire swap books. Then, Claire and Bob swap books. Then, Dave and Alice swap books. Then, Dave and Alice discuss something (let's call it Action 61). Then, Dave and Alice swap books. Then, Alice and Claire swap books. Then, Alice and Claire discuss something (let's call it Action 62). Then, Alice and Claire swap books. Then, Action 1 repeats. Then, Fred and Bob swap books. Then, Fred and Bob discuss something (let's call it Action 63). Then, Fred and Bob swap books. Then, Claire and Alice swap books. Then, Alice and Claire swap books. Then, nothing happens for a while. Then, Eve and Fred swap books (let's call it Action 64). Then, Eve and Fred discuss something (let's call it Action 65). Then, Eve and Fred swap books. Then, Action 1 repeats. Then, Alice and Gertrude swap books. Then, Gertrude and Alice swap books. Then, nothing happens for a while. Then, Fred and Gertrude swap books. Then, Fred and Gertrude discuss something. Then, Action 42 repeats. Then, nothing happens for a while. Then, Claire and Fred swap books. Then, Fred and Dave swap books. Then, Action 37 repeats. Then, Action 20 repeats. Then, Bob and Claire swap books. Then, Claire and Bob swap books. Then, Claire and Alice swap books. Then, Alice and Claire swap books. Then, Alice and Dave swap books. Then, Dave and Bob swap books. Then, Bob and Dave swap books. Then, Dave and Alice swap books. Then, nothing happens for a while. Then, Action 44 repeats. Then, Dave and Gertrude swap books. Then, Claire and Dave swap books. Then, Claire and Dave discuss something. Then, Claire and Dave swap books. Then, Action 42 repeats. Then, Gertrude and Dave swap books. Then, Dave and Gertrude swap books. Then, Gertrude and Fred swap books. Then, Fred and Alice swap books. Then, Alice and Dave swap books. Then, Dave and Alice swap books. Then, Alice and Fred swap books. Then, Fred and Alice swap books. Then, Alice and Fred swap books. Then, Action 1 repeats. Then, Dave and Alice swap books. Then, Dave and Alice discuss something. Then, Dave and Alice swap books. Then, Fred and Alice swap books. Then, Alice and Gertrude swap books. Then, Gertrude and Alice swap books. Then, Alice and Fred swap books. Then, Bob and Gertrude swap books. Then, Action 23 repeats. Then, Action 21 repeats. Then, Action 34 repeats. Then, Eve and Claire swap books. Finally, Alice and Fred swap books. At the end of the semester, Gertrude has
Options:
(A) Ulysses
(B) Frankenstein
(C) Moby Dick
(D) The Odyssey
(E) The Great Gatsby
(F) Lolita
(G) The Pearl

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