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 Q]: Context: selena gomez just posted justin bieber's old nudes on her instagram and i'm dying 😂— sierra (@sierranicoleee5) August 28, 2017 Question: who is in the nude photos? Answer: everything
[EX A]: no

[EX Q]: Context: #ifidieinpolicecustody look under my fingernails. The skin of the person who killed me will be there...— Charles M. Blow (@CharlesMBlow) July 18, 2015 Question: what evidence is under the fingernails? Answer: 21
[EX A]: no

[EX Q]: Context: Marc Stein @ESPNSteinLineNew Orleans' Anthony Davis is leading the league in scoring (31.8 PPG), blocks (2.75 BPG) and PER (31.87 ... ahead of Kevin Durant's 30.49).12/5/2016, 2:22:36 PM Question: who is anthony davis leading ahead of in score? Answer: kevin durant
[EX A]:
yes