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: You don't have to search hard to figure out why #GoogleGlass is being retooled: Adweek (@Adweek) January 16, 2015 Question: how long was he friends with kesha? Answer: for many years.

Ex Output:
no


Ex Input:
Context: #TGIF. Enjoy the best pics humans may see for decades of #Pluto, courtesy our #PlutoFlyby* NASA New Horizons (@NASANewHorizons) December 4, 2015 Question: when might be the next time that people might be able to see pluto as well as they can today? Answer: decades from now

Ex Output:
yes


Ex Input:
Context: It's already been 2 hours, but #BetterCallSaul still blew my mind away!!!!— Bryan Johnson (@Bryan_L_Johnson) February 9, 2015 Question: who blew bryan johnsons mind away Answer: bettercallsaul

Ex Output:

yes