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: Don't threaten #MemoriesPizza Just mock them for their ignorance. Aanda (@GrnEyedMandy) April 1, 2015 Question: what does she say to do instead? Answer: mock them for their ignorance
[EX A]: yes

[EX Q]: Context: This guy did a faceswap with a @Harry_Styles pic so we'd get an idea of how our Hazza looks with a shaved head. Busy BBC Radio1 Breakfast (@R1Breakfast) May 9, 2016 Question: when is a #adaywithoutawoman? Answer: tomorrow
[EX A]: no

[EX Q]: Context: If (when?) the time comes that NASA has been instructed to cease tweeting/sharing info about science and climate change, we will inform you. Rogue NASA (@RogueNASA) January 26, 2017 Question: for what type of world should we be fighting? Answer: more open
[EX A]:
no