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

Problem: what composer used sound mass, Answer: A very early example is the opening of Jean-Fery Rebel 's ballet Les Elemens (173738), where chaos is represented by a gradually cumulating orchestral cluster of all seven notes of the D minor scale (Henck 2004, pp. 5254).
Solution: Yes