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: Breaking: Huge explosions shook the city in what might be the beginning of US airstrikes on ISIS HQs in Raqqa— Abdulkader Hariri (@3bdUlkaed6r) September 23, 2014 Question: this tweet is not viewable Answer: this tweet is not viewable
[EX A]: no

[EX Q]: Context: Don't even know what to say. To be in Vegas while this is happening, brings a pain to my heart. My team and I are safe Thank God! Prayers up— Trey Songz (@TreySongz) October 2, 2017 Question: what did songz say after he thanked god? Answer: that his team and him were safe
[EX A]: yes

[EX Q]: Context: Kyrie Irving warming up at Barclays Center in #ICantBreathe t-shirt. Howard Beck (@HowardBeck) December 8, 2014 Question: who did not know of lebron james' decision? Answer: cavaliers
[EX A]:
no