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: The Royals are shaking hands on the field and the Indians are outside their dugout, receiving a standing ovation. — Rustin Dodd (@rustindodd) September 16, 2017 Question: who is outside their dugout? Answer: rainfall and flooding

Ex Output:
no


Ex Input:
Context: Our friends at @AirbusDefence shared radar images of North Korea's nuclear test site showing post-test subsidence. — Jeffrey Lewis (@ArmsControlWonk) September 13, 2017 Question: what did the nuclear test site show? Answer: fought

Ex Output:
no


Ex Input:
Context: OpenAI first ever to defeat world's best players in competitive eSports. Vastly more complex than traditional board games like chess & Go.— Elon Musk (@elonmusk) August 12, 2017 Question: who did openai defeat in competitive esports Answer: the worl's best player

Ex Output:

yes