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.
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Question: 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.

Answer: yes


Question: Context: Received guidance from the Electoral Commission. I feel I have no choice but to cancel #ThePartyParty. I'm so sorry. Kim Dotcom (@KimDotcom) January 16, 2014 Question: what is being cancelled? Answer: birthday party for kim dotcom

Answer: yes


Question: Context: "If public opinion does not demand change in Congress, it will not change." —President Obama on legislation to prevent gun violence— The White House (@WhiteHouse) June 10, 2014 Question: what is the name of this actress? Answer: this is carrie fisher

Answer:
no