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: This is key: @DrFriedenCDC says viral hemorrhagic fever has never been transmitted in the USA. Our health system can isolate. — Mark Leon Goldberg (@MarkLGoldberg) September 30, 2014 Question: did these people love this person? Answer: our hearts literally hurting

Ex Output:
no


Ex Input:
Context: Mr Cohen, I would not be surprised is Hillary is somehow behind this. Clinton's play dirty tricks when desperate. californiagirl*10 (@natashalarebel) January 2, 2016 Question: who is this tweet about? Answer: hillary clinton

Ex Output:
yes


Ex Input:
Context: What I really missed in Cuba . . . Alan P. Gross (@AlanPGross) February 12, 2015 Question: who missed something in cuba? Answer: alan p gross

Ex Output:

yes