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: .@ChurchOfOccupy @mumbly_joe @raisingbran you CAN catch HIV in a not-yet-symptomatic infected patient. Same with colds. Not #Ebola. — Jane Doe, MD (@DrJaneChi) September 30, 2014 Question: what was macklemore first tricking people into thinking? Answer: that he was a rapper
Example Output: no

Example Input: 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
Example Output: yes

Example Input: Context: Hey @stras37 …blessings on this day. I told u I had the #Nationals #tattoo … let's wrap up this series with a W. ReDeem (@ReDeemHipHop) May 15, 2013 Question: who was the kindest, most generous? Answer: demme
Example Output:
no