[Q]: Sentence: During a three-year period that ended in 2007, he oversaw a major overhaul of his school. Question: Who was the principal of Sangzao Middle School?
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[A]: no

[Q]: Sentence: The 1903 advent of heavier-than-air fixed-wing aircraft was closely followed in 1910 by the first experimental take-off of an airplane, made from the deck of a United States Navy vessel (cruiser USS Birmingham), and the first experimental landings were conducted in 1911. Question: In what year was the advent of heavier-than-air fixed-wing aircraft?
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[A]: yes

[Q]: Sentence: The valley too was beset with petty states until the late 14th century when two sizeable powers, Ava Kingdom and Hanthawaddy Kingdom, emerged. Question: Who was involved merger of the smaller states into the two largest factions of Myanmar ?
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[A]:
yes