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.

[EX Q]: Context: @cnni I hope the families of the victims get the truth and finally closure #Westgate6Months— Ruthie Ruthie (@808Ruthie) March 17, 2014 Question: how powerful was the napa earthquake? Answer: 6.1
[EX A]: no

[EX Q]: 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
[EX A]: no

[EX Q]: Context: I hope @LAKings pick it up in the 2nd and 3rd cause I don't want to stay up again #letsseethecup— Michael Grabner (@grabs40) June 12, 2014 Question: who should pick up the 2nd and 3rd cause? Answer: la kings
[EX A]:
yes