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: Met some of you #nolefam's yesterday. Autograph for a smile, hehe I think this exchange was in my favor. Novak Djokovic (@DjokerNole) August 14, 2014 Question: what does he think was in his favor? Answer: the exchange of autographs for a smile.

Ex Output:
yes


Ex Input:
Context: @kellanlutz@AnnaKendrick47 omggggggg I ship you two!!— aditikadam (@aaditi_kadam) March 28, 2016 Question: who does marvel ask to get along? Answer: @prattprattpratt and @chrisevans

Ex Output:
no


Ex Input:
Context: Very excited to be a part of @DancingABC. Football remains my unquestioned number 1 priority, however, while I continue to train and (1/4)— Michael Sam (@MichaelSamNFL) February 24, 2015 Question: when did it remind adrian carrasquillo of? Answer: his college days.

Ex Output:

no