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: US talks w/Saudi medieval regime, a stigma that won't be cleaned off US, on human rights of Iran--a country which is symbol of democracy! Khamenei.ir (@khamenei_ir) June 12, 2017 Question: what sport did tweet refer to? Answer: tennis

Ex Output:
no

Ex Input:
Context: Zumyah tonight you gave my band and I something we've never felt before. you're an inspiration to... Bruno Mars (@BrunoMars) June 29, 2014 Question: who had a much needed win? Answer: @torontorocklax

Ex Output:
no

Ex Input:
Context: Once an officer takes the stand & says he or she was fearful for their lives, videos are of no consequence. Fair, not fair, it is what it is Nabil Hani Fanous (@BoxingHagler) June 26, 2017 Question: what happens if an officer takes the stand and says he/she was fearful for their lives? Answer: videos are of no consequence.

Ex Output:
yes