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: Bill O'Reilly before Trump got into the race.Bill O'Reilly after the election. southpaw (@nycsouthpaw) December 21, 2016 Question: who got into the race? Answer: trump

Ex Output:
yes


Ex Input:
Context: These convos aren't sourced enough 4 me to report as fact. But I've heard enough to believe "the wind is blowing" LJ back home. We'll see...— Chris Broussard (@Chris_Broussard) July 7, 2014 Question: who is escorting pm @narendramodi? Answer: prez @barackobama

Ex Output:
no


Ex Input:
Context: Kevin Meaney was sweet, hilarious and courageous. A silly, wonderful, man. The best. My heart goes out to his fans, friends and family.— Bobcat Goldthwait (@bcgoldthwait) October 22, 2016 Question: how far was the protest? Answer: 8.5km

Ex Output:

no