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: @SamuelLJackson: Keep fighting and Stay Strong Strat! You can do it! #CapForStrat — Samuel L. Jackson (@SamuelLJackson) May 14, 2014 Question: who does jackson encourage? Answer: strat.

Output: yes


Input: Consider Input: Context: Just another night in the desert @justinbieber #beliebit Caroline Wozniacki (@CaroWozniacki) March 11, 2015 Question: what does she have in desert? Answer: another night

Output: yes


Input: Consider Input: Context: Newspapers need to be more respectful in depiction of religion says @YayaToure after Paris attack. Coming up on @CNN Amanda Davies (@AmandaJDavies) January 14, 2015 Question: who says newspapers need to be more respectful? Answer: yayatoure


Output: yes