[Q]: Sentence: In 999, large portions of Iran came briefly under the rule of the Ghaznavids, whose rulers were of mamluk Turk origin, and longer subsequently under the Turkish Seljuk and Khwarezmian empires. Question: The Abbasid army replaced Iranian and Arabic men with Turkic tribesmen as what element in their army?
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[A]: no

[Q]: Sentence: Toni Morrison once described Bill Clinton as the first black President of the United States, because, as she put it, he displayed "almost every trope of blackness". Question: Who is Toni Morrison?
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[A]: no

[Q]: Sentence: Although air planners have imagined lasers in combat since the late 1960s, only the most modern laser systems are currently reaching what could be considered "experimental usefulness". Question: When did personnel first start thinking about using lasers in combat?
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[A]:
yes