[Q]: Sentence: In June 2007, YouTube began trials of a system for automatic detection of uploaded videos that infringe copyright. Question: In 2007 youtube launched an automated system to detect what?
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[A]: yes

[Q]: Sentence: Seeking national reconciliation between revolutionaries and Catholics, the Concordat of 1801 was signed on 15 July 1801 between Napoleon and Pope Pius VII. Question: What is the exact date on which the Concordat of 1801 was signed?
++++++++++
[A]: yes

[Q]: Sentence: The game was scheduled to be released the next year, and was no longer a follow-up to The Wind Waker; a true sequel to it was released for the Nintendo DS in 2007, in the form of Phantom Hourglass. Question: When did the company release a trailer of the horseback riding aspect?
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[A]:
no