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: Billy Horschel didn't miss too many targets on Thursday at East Lake. @playofffinale PGA TOUR (@PGATOUR) September 11, 2014 Question: who's is this golfer? Answer: billy horschel

Ex Output:
yes

Ex Input:
Context: Scary moment we #CHI fans just broke down a barrier and stormed stadium. Sam Laird (@samcmlaird) June 18, 2014 Question: what state had an occurrence with a skywriter? Answer: iowa

Ex Output:
no

Ex Input:
Context: President Obama said that he thinks he would have won against me. He should say that but I say NO WAY! - jobs leaving, ISIS, OCare, etc. Donald J. Trump (@realDonaldTrump) December 26, 2016 Question: what is being fertalized? Answer: central valley

Ex Output:
no