Detailed Instructions: In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
See one example below:
Problem: what latitude is tropic of cancer, Answer: It currently (Year 2013) lies at 23 26 15.143 north of the Equator.
Solution: Yes
Explanation: This is a good example, and the given answer correctly answers the question.

Problem: what are the different types of cross country skiing, Answer: Cross-country skiing is part of the Nordic skiing sport family, which includes ski jumping , Nordic combined (cross-country skiing and ski jumping), Biathlon (skiing and rifle marksmanship ) and ski-orienteering (which includes map navigation along snow trails and tracks).
Solution:
Yes