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: President Obama has a beer and shoots pool with Gov. Hickenlooper at the Wynkoop Brewing Company Bar. Doug Mills (@dougmillsnyt) July 9, 2014 Question: who did obama enjoy beer and shoots with? Answer: x's victory

Ex Output:
no


Ex Input:
Context: An exceptional performance from Dimitrov, who knocks out defending champ Murray 6-1 7-6 6-2 to reach his 1st Slam SF Wimbledon (@Wimbledon) July 2, 2014 Question: who lost to dimitrov? Answer: murray

Ex Output:
yes


Ex Input:
Context: PM Al-Abadi: Fallujah has returned to the nation and Mosul is the next battle, Daesh will be defeated Haider Al-Abadi (@HaiderAlAbadi) June 17, 2016 Question: what is the next battle? Answer: the summer.

Ex Output:

no