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.

[Q]: Context: I am stunned by the failure to indict Eric Garner's killer.— John Legend (@johnlegend) December 3, 2014 Question: who's going to cut this out? Answer: ya'll
[A]: no


[Q]: Context: Captain Patrick Sondenheimer, the man who tried to save #flight9525, a true hero, is the name I'll remember. #GermanWings #RIP— Verena King (@verenaking) March 28, 2015 Question: what is the name of the man who tried to save the german wings flight? Answer: patrick sondenheimer
[A]: yes


[Q]: Context: RIP comedian Taylor Negron. Always a terrific addition to any cast he worked with or show he performed on.— Dane Cook (@DaneCook) January 11, 2015 Question: who might have been trying to grow a knife tree? Answer: oj simpson
[A]:
no