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: Second of two satellites being deployed into proper orbit with today's launch SpaceX (@SpaceX) June 15, 2016 Question: when was this satellite launched? Answer: today

yes