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: Greetings Tweetarians! I have just landed on your Planet. This could be my last Tweet. Jerry Seinfeld (@JerrySeinfeld) July 15, 2011 Question: what nickname does jerry seinfeld give his followers? Answer: tweetarians

Ex Output:
yes

Ex Input:
Context: Folks out here acting like Michael Strahan owes Kelly Ripa an explanation like she's his wife or something...He owes her not a damn thing! Introverted Bama (@Sneaker1984) April 21, 2016 Question: who did megyn kelly interview this morning? Answer: jane fonda

Ex Output:
no

Ex Input:
Context: Heidi Montag and Spencer Pratt Welcome Their First Child! via @UsWeekly Heidi Montag (@heidimontag) October 2, 2017 Question: what problem did recife have at the time of the tweet? Answer: it was drowning.

Ex Output:
no