[Q]: Sentence: Airport construction boomed during the 1960s with the increase in jet aircraft traffic. Question: When were jet bridge systems introduced to modern airport terminals?
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[A]: no

[Q]: Sentence: In October 2014, the Anbang Insurance Group, based in China, purchased the Waldorf Astoria New York for US$1.95 billion, making it the world's most expensive hotel ever sold. Question: Who bought the Waldorf Astoria hotel in NYC in 2014?
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[A]: yes

[Q]: Sentence: Charles Pollak (born Karol Pollak), the inventor of the first electrolytic capacitors, found out that the oxide layer on an aluminum anode remained stable in a neutral or alkaline electrolyte, even when the power was switched off. Question: In what year was the patent filed for an electric liquid capacitor?
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[A]:
no