Definition: In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.
Input: Context: Climate change, nuclear weapons, emerging technologies all figured in Clock move. Science and Security Board explains BulletinOfTheAtomic (@BulletinAtomic) January 23, 2015 Question: who explains what figured in clock move? Answer: science and security board

yes