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: Regarding the recent hubbub about TXF, per usual, I know as much or as little as any of you. The show really is about M/S. We'll see.— Mitch Pileggi (@MitchPileggi1) January 18, 2015 Question: who does rob give congratulations to? Answer: san francisco giants

no