[Q]: Sentence: It stopped ships of other nations that were leaving the African coast with slaves; the seized slaves were taken to Freetown, a colony in West Africa originally established for the resettlement of freed slaves from Britain. Question: After which war did Britain establish its West Africa Squadron?
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[A]: no

[Q]: Sentence: Electroluminescence as a phenomenon was discovered in 1907 by the British experimenter H. J. Round of Marconi Labs, using a crystal of silicon carbide and a cat's-whisker detector. Question: What type of detector did H.J. Round use to help him in his discovery?
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[A]: yes

[Q]: Sentence: With the interstitial mechanism, one atom is usually much smaller than the other, so cannot successfully replace an atom in the crystals of the base metal. Question: What is the name of one interstitial alloy?
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[A]:
no