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: Philae:10 years in transitLanded on cometBounced (x2)Stuck in shadeSCIENCED ANYWAYLost powerWaitedOne month to goFOUND BY ROSETTA— Katie Mack (@AstroKatie) September 5, 2016 Question: how long did philae's journey take? Answer: 10 years.

Ex Output:
yes


Ex Input:
Context: And GIF of the Year goes to... the range of emotions on @realDonaldTrump's face. #Webbys@Verizon@giphyhttps:// The Webby Awards (@TheWebbyAwards) May 17, 2016 Question: how is pop doing in the hospital? Answer: well enough

Ex Output:
no


Ex Input:
Context: They grow up so fast. Before you know it, they're King of Britain! #HappyBirthdayPrinceGeorge Billy Bambino (@BillyBambino) July 21, 2015 Question: whose birthday is it that they grow up fast? Answer: prince george

Ex Output:

yes