instruction:
In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
question:
how long is a flat membrane roof good for?, Answer: There are also various health risks to people and animals breathing the mould spores: the severity of this health risk remains a debated point.
answer:
No


question:
what is a chronograph watch, Answer: A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch.
answer:
Yes


question:
Who controlled Alaska before US?, Answer: Alaska was purchased from Russia on March 30, 1867, for $7.2 million ($ adjusted for inflation) at approximately two cents per acre ($4.74/km2).
answer:

Yes


