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BIG-Bench Hard / It is not always easy to see who is related to whom -- and in which ways. The…

Problem

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input

"It is not always easy to see who is related to whom -- and in which ways. The following argument pertains to this question: First premise: Not being a close friend of Williams is sufficient for not being a nephew of Rolando. All this entails that every nephew of Rolando is a close friend of Williams."
Is the argument, given the explicitly stated premises, deductively valid or invalid?
Options:
- valid 
- invalid

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Source and history

task_id
f7c5a12b-f837-5a93-9339-2906d167abf8
task_key
formal~5ffallacies--main--f7c5a12b-f837-5a93-9339-2906d167abf8
task_revision_id
1
config / split
formal_fallacies / main

Official source

initial import