[Q]: Sentence: Yale seniors at graduation smash clay pipes underfoot to symbolize passage from their "bright college years," though in recent history the pipes have been replaced with "bubble pipes". Question: What do seniors crush to celebrate graduation?
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[A]: yes

[Q]: Sentence: ZermeloFraenkel set theory provided a series of principles that allowed for the construction of the sets used in the everyday practice of mathematics. Question: Who resolved the problem of adequate axiomatization of set theory?
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[A]: no

[Q]: Sentence: When a Teletype 33 ASR equipped with the automatic paper tape reader received a Control-S (XOFF, an abbreviation for transmit off), it caused the tape reader to stop; receiving Control-Q (XON, "transmit on") caused the tape reader to resume. Question: What was the warning signal called that warned the sender that there was impending overflow?
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[A]:
no