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: 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 Output:
yes


Ex Input:
Context: This dark and gritty '#PowerRangers' short film is surprisingly awesome - #NSFW - Geek Republic (@GeekRep) February 25, 2015 Question: what is rihanna upset about? Answer: trump

Ex Output:
no


Ex Input:
Context: It took 2 hours to rescue this horse from a muddy creek. How'd it get there? Neighbors say a PRANK. @cbs46 Adam Harding (@HardingCBS46) August 14, 2015 Question: how many horses did it take to save the horse? Answer: two horses.

Ex Output:

yes