[Q]: Sentence: In 2011, the foundation launched a program called "Reinvent the Toilet Challenge" with the aim to promote the development of innovations in toilet design to benefit the 2.5 billion people that do not have access to safe and effective sanitation. Question: What is the aim of reinvent the toilet
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[A]: yes

[Q]: Sentence: Later American English spellings, neger and neggar, prevailed in a northern colony, New York under the Dutch, and in metropolitan Philadelphia's Moravian and Pennsylvania Dutch communities; the African Burial Ground in New York City originally was known by the Dutch name "Begraafplaats van de Neger" Question: Where were slaves shipped to from West Africa?
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[A]: no

[Q]: Sentence: White" grapes are actually green in color, and are evolutionarily derived from the purple grape. Question: How many grapes are generally in a cluster?
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[A]:
no