[Q]: Sentence: Darwin experimented on the movements of plant shoots and roots towards light and gravity, and concluded "It is hardly an exaggeration to say that the tip of the radicle . . Question: What do auxins do?
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[A]: no

[Q]: Sentence: The New York City Fire Department is the largest municipal fire department in the United States and the second largest in the world after the Tokyo Fire Department. Question: What city is home to the largest municipal fire department in the world?
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[A]: yes

[Q]: Sentence: The city's population loss came to an end in the 21st century; the population estimate of July 2004 showed a population increase for the first time since 1954, and the population reached 2,234,000 by 2009. Question: What was the population in 2009?
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[A]:
yes