{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"bbeh","formal_name":"BIG-Bench Extra Hard (BBEH)","introduction":"BIG-Bench Extra Hard evaluates language-model reasoning through challenging task categories. It offers full and mini distributions; this import contains the full distribution: 4,520 questions across all 23 task categories.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://github.com/google-deepmind/bbeh","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"45a41b93-2184-5293-a67c-72e9d1e6e2d2","task_key":"bbeh~5fmultistep~5farithmetic--full--45a41b93-2184-5293-a67c-72e9d1e6e2d2","task_revision_id":"1","upstream_id":"","short_description":"Consider the following new operations:","config":"bbeh_multistep_arithmetic","split":"full","body":"{\"input\":\"Consider the following new operations:\\n\\n$a ; b$ equals $a + b$ if $gcd(a, b) == 1$ and $gcd(a, b)$ otherwise, where gcd stands for greatest common divisor.\\n$a : b$ equals $(2 + b) - a$ if $a > b$ and $b$ otherwise.\\n$a & b$ equals $(a ; a) + b$ if $b < 2$ and $(b ; b) + a$ otherwise.\\n$a ][ b$ equals $(a - b)$ if $a ; b > 0$; otherwise,  it equals $a + b$.\\n$a >< b$ equals $(a & b)$ if $a - b > 0$; otherwise,  it equals $-a & -b$.\\nFor brevity, we use $a <op1><op2> b$ to denote $(a op1 b) op2 b$. For example, $4 +* -5$ means $(4 + -5) * -5$ and $4 *-- -5$ means $(4 * -5) -- -5$.\\nLet A = ((((eight ][ 1) ++& (-6 - nine)) &;& ((5 +][ -6) ><:& (-1 &: -5))) +:- (((5 :][ -9) * (-9 + -8)) : ((3 ;- seven) ><- (ten &: -5))))\\nLet B = ((((1 ][ eight) ;- (-10 &:; one)) :- ((9 ][+- two) ][><: (seven ][ two))) ;;>< (((four ;*+ -10) + (-6 & -4)) -: ((one -* six) -;- (-1 +-+ -7))))\\nLet C = ((((five +- -1) &+ (-9 ][ three)) &; ((-6 +; -6) *;][ (-1 &: eight))) >< (((six ][+ -4) ><][ (-7 ;*; -5)) ][+ ((-7 + -3) ][><& (-7 *:& -9)))).\\nCompute A + B - C. Your final answer must be in number form.\"}","display_format":"text","language":"","answer_status":"published","assets":[],"source_url":"https://github.com/google-deepmind/bbeh","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}