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.

Example Input: Context: CBS teases a Charlie Sheen return - and builds the episode around his character - and he doesn't. So lame. #TwoAndAHalfMenFinale— Brian Cantor (@cantorpedia) February 20, 2015 Question: what did they build the episode around? Answer: his character
Example Output: yes

Example Input: Context: YESSSSSS!!!! For more portability options, to take your #sriracha wherever you go! sriracha2go's photo BaconCupcake74 (@BaconCupcake74) January 21, 2016 Question: what location is being bombed? Answer: aleppo
Example Output: no

Example Input: Context: #DrMartinLutherKing and #CorettaScottKing loved their lives to change ours #honor#MLK ... Mena Suvari (@mena13suvari) January 20, 2014 Question: what is the users job? Answer: a cartoonist
Example Output:
no