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: When you can take a selfie with three US Presidents, you do it!! — Tim Mickelson (@goodwalkspoiled) September 28, 2017 Question: how many us presidents did he take a selfie with? Answer: three

Output: yes


Input: Consider Input: Context: #SackClarkson #SackJeremyClarkson #BBC If you hit someone at work you should be fired - period @JeremyClarkson @BBC— Pete Lewis (@iampetelewis) March 11, 2015 Question: who came together in africa? Answer: women in tech

Output: no


Input: Consider Input: Context: FROM JUSTIN TO KELLY is looking better all the time. #TheSoundOfMusicLive— Alonso Duralde (@ADuralde) December 6, 2013 Question: what version of the sound of music is he seeing? Answer: live.


Output: yes