[Q]: Sentence: German air attacks on the British Isles increased in 1915 and the AA efforts were deemed somewhat ineffective, so a Royal Navy gunnery expert, Admiral Sir Percy Scott, was appointed to make improvements, particularly an integrated AA defence for London. Question: Air attacks headed by Germany increased in 1915 in what area?
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[A]: yes

[Q]: Sentence: On 28 September 1939, the Soviet Union and German Reich issued a joint declaration in which they declared: Question: What was the amended joint agreement called?
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[A]: no

[Q]: Sentence: Barcelona's players have won a record number of Ballon d'Or awards (11), as well as a record number of FIFA World Player of the Year awards (7). Question: How amny FIFA World Player of the Year have members of FC Barcelona won?
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[A]:
yes