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: Today, we lost a member of the 4th Hour family. Rest in peace, Frank Gifford. Our prayers are with @KathieLGifford. Kathie Lee and Hoda (@klgandhoda) August 9, 2015 Question: what did his sign say? Answer: free weed 4 obama

no