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.
--------
Question: Context: Oops, Bradlee! Can hear Ben yelling now, "You White House clowns never get it right!" What a wonderful man.— David Gergen (@David_Gergen) October 22, 2014 Question: who is yelling now? Answer: ben

Answer: yes


Question: Context: taylor.boards.net (@TSfanforum) November 15, 2017 Question: what time was this tweeted? Answer: 7:37 pm

Answer: yes


Question: Context: Still mortified about our fallen cartoonist colleagues, but free speech will always win. #CharlieHebdo #JeSuisCharlie Rob Tornoe (@RobTornoe) January 7, 2015 Question: what does the author think? Answer: somebody saw something.

Answer:
no