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.
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Question: Context: .@rafaelnadal survives the rain and Monaco to win his first title of '15, 64 61 @ArgentinaOpen ATP World Tour (@ATPWorldTour) March 1, 2015 Question: who won the title? Answer: sza or khalids

Answer: no

Question: Context: Watch a short video message from our Program Manager in Arkansas. #tornado #arwx Samaritan's Purse (@SamaritansPurse) April 29, 2014 Question: wharf is samaritan' s purse? Answer: a charity organization.

Answer: yes

Question: Context: MISSY Justin Timberlake (@jtimberlake) February 2, 2015 Question: at what time of day was this tweet posted? Answer: at night

Answer:
yes