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: DUDES. I can't confirm this. But I also can't deny this... Lauren Graham (@thelaurengraham) October 19, 2015 Question: who can not confirm this? Answer: lauren graham

yes