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: Consider Input: Context: Travelling fans who attended the defeat at Southampton have been offered ticket refunds. Sunderland AFC (@SunderlandAFC) October 21, 2014 Question: where is the case headed? Answer: the court of law.

Output: no

Input: Consider Input: Context: Hillary Clinton declined to comment on Trump's recent Bill Clinton attacks when I asked her today on the ropeline. Dan Merica (@danmericaCNN) December 29, 2015 Question: who declined to comment on trump's recent bill clinton attacks? Answer: hillary clinton.

Output: yes

Input: Consider Input: Context: Firefighters have reached the 1st car by tower bucket - each of 6 cars will be emptied slowly Marc Bashoor (@PGFD_Chief) August 10, 2014 Question: what did whole food's have in it's chicken salad? Answer: tuna
Output: no