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: Testing... testing... Is this thing on??— Tom Hanks (@tomhanks) January 11, 2010 Question: who missed something in cuba? Answer: alan p gross

no