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: #TGIF. Enjoy the best pics humans may see for decades of #Pluto, courtesy our #PlutoFlyby* NASA New Horizons (@NASANewHorizons) December 4, 2015 Question: when might be the next time that people might be able to see pluto as well as they can today? Answer: decades from now
[EX A]: yes

[EX Q]: Context: worst thing abt being on west coast: waiting 3 hrs to see spectacular men"s swim relay+having to avoid twitter et al to insure suspense.— Bill Carter (@wjcarter) August 8, 2016 Question: how is the men's swim relay described? Answer: spectacular.
[EX A]: yes

[EX Q]: Context: In the distance you can see the police car both officers were sitting in when they were ambushed #nypd Shimon Prokupecz (@ShimonPro) December 20, 2014 Question: what happened to the police officers? Answer: they were ambushed.
[EX A]:
yes