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.

Ex Input:
Context: California Chrome has arrived in Newmarket ahead of his biggest challenge to date #RoyalAscot d Ascot Racecourse (@Ascot) April 1, 2015 Question: where does california chrome arrive? Answer: he's not impressed.

Ex Output:
no

Ex Input:
Context: So @Delta just sent me an automated survey about my empty flight on Monday. Gonna be hard to give them any low marks! Chris O'Leary (@ohhleary) January 14, 2015 Question: how long does it say the survey take to complete? Answer: @sthelensrlfc

Ex Output:
no

Ex Input:
Context: Edie Windsor's case overturned DOMA. In 2013, she served as NYC Pride Grand Marshall at age 84. Never stop, never surrender. Cameron Esposito (@cameronesposito) June 11, 2017 Question: edie windsor serves as what in 2013? Answer: nyc pride grand marshall

Ex Output:
yes