In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

Q: what can silk be used for, Answer: Silk is a natural protein fibre , some forms of which can be woven into textiles .

A: Yes
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Q: how many presidents of the us, Answer: History records four presidents John Q Adams, Rutherford B. Hayes, Benjamin Harrison and George W. Bush who lost the popular vote but assumed office.

A: No
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Q: what composer used sound mass, Answer: Composers and works include Barbara Kolb , Pauline Oliveros ' Sound Patterns for chorus (1961), Norma Beecroft 's From Dreams of Brass for chorus (19631964), and Nancy Van de Vate .

A:
Yes
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