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: @klustout make it quick. drop it in the tub. better for both of you...— Bill Bishop (@niubi) September 24, 2013 Question: where were some victims from? Answer: council bluffs, iowa
[EX A]: no

[EX Q]: Context: The subject of our PSA is starting to get rape threats on the comments. Can you help by reporting them? Hollaback! (@iHollaback) October 28, 2014 Question: when will there be a chance to beat buzzy cohen on jeopardy? Answer: tomorrow.
[EX A]: no

[EX Q]: Context: The great, humane and inspirational Oliver Sacks has died. He wrote this recently. That's a life well-lived. J.K. Rowling (@jk_rowling) August 30, 2015 Question: what tv rights are being extended? Answer: fifa american
[EX A]:
no