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: With just one exchange, Ben Edelman manages to drag himself, @Harvard, and his entire profession through the mud. Dan Lovejoy (@danlovejoy) December 10, 2014 Question: what position does edelman hold at harvard? Answer: associate professor

yes