In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
One example is below.
Q: what latitude is tropic of cancer, Answer: It currently (Year 2013) lies at 23° 26′ 15.143′′ north of the Equator.
A: Yes
Rationale: This is a good example, and the given answer correctly answers the question.
Q: 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).
A:
Yes