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 Input:
Context: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat

Ex Output:
no


Ex Input:
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 Output:
yes


Ex Input:
Context: Their Euro campaign was summed up by this O.G. from van Persie (using the pace of the cross brilliantly, to be fair) Copa90 (@Copa90) October 14, 2015 Question: who did the earth not remain worthy of? Answer: robin

Ex Output:

no