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: "What we have is a pattern of contacts w the Russian...secret and then conceleaed...could be perjury" @SenBlumenthal OutFrontCNN (@OutFrontCNN) June 8, 2017 Question: who is in down periscope Answer: kelsey grammer

no