In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Example Input: Context: CALL TO ACTION.we're sending a powerful videoDIRECTLY 2 @BernieSanders &we need ur voicesMeet now: Pattison Ave & S Broad StPhiladelphia— Shailene Woodley (@shailenewoodley) July 25, 2016 Question: who is being sent a powerful video? Answer: @berniesanders
Example Output: yes

Example Input: Context: "Don't touch my hair"London Evening Standard have said sorry to Solange. BBC Newsbeat (@BBCNewsbeat) October 21, 2017 Question: what about solange knowles' appearance did the evening star change? Answer: a selfie
Example Output: no

Example Input: Context: p>My double is ready to roll in #inaug2013 parade with @nasa & @nasajpl mission team Curiosity Rover (@MarsCuriosity) January 21, 2013 Question: who's double is ready to roll Answer: britneyspears
Example Output:
no