[Q]: Sentence: While working that summer in Brantford, Bell experimented with a "phonautograph", a pen-like machine that could draw shapes of sound waves on smoked glass by tracing their vibrations. Question: What instrument is a phonautograph similar to?
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[A]: yes

[Q]: Sentence: The US was even more skeptical: Andrew Peters introduced a DST bill to the US House of Representatives in May 1909, but it soon died in committee. Question: What was the name of the director of the Meteorological Office who opposed DST?
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[A]: no

[Q]: Sentence: With regard to the charge of genocide, the Chamber found that in spite of evidence of acts perpetrated in the municipalities which constituted the actus reus of genocide". Question: Which court dismissed Nikola Jorgic's appeal against his conviction for genocide by a German court?
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[A]:
no