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: Methinks the left are very worried about Donald Trump gaining Presidency if sending battle bus to London.— John West Stewart (@jws129) September 21, 2016 Question: about whom are the left worried? Answer: donald

yes