[Q]: Sentence: Geese in a V-formation may conserve 1220% of the energy they would need to fly alone. Question: How do birds conserve energy?
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[A]: yes

[Q]: Sentence: The first commercial broadcasting radio stations appeared in 1922: first WIP, then owned by Gimbel's department store, on March 17, followed the same year by WFIL, WOO, WCAU and WDAS. Question: When did the first radio stations appear?
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[A]: yes

[Q]: Sentence: London's overcrowded conditions led to cholera epidemics, claiming 14,000 lives in 1848, and 6,000 in 1866. Question: What was the primary cause of the cholera outbreak in 19th century London?
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[A]:
yes