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: Supporting a @Marvel fan's cancer fight, stars inc @clarkgregg participate in #CapForStrat 8 Clark Gregg Reporter (@TheCGReporter) May 15, 2014 Question: who are agents gregg and bennett supporting in #capforstrap? Answer: a marvel fan's cancer fight

Ex Output:
yes

Ex Input:
Context: 9 yr old Jacobeth needs urgent med-evac for operation, hurt by falling roof which killed her mother,brother #Vanuatu Ivan Watson (@IvanCNN) March 17, 2015 Question: how did 9 year old jacobeth get hurt? Answer: the effort of firefighters

Ex Output:
no

Ex Input:
Context: Syria's Bashar Assad's use of chemical weapons against the men, women and children of his country makes him a war criminal. Bernie Sanders (@SenSanders) April 7, 2017 Question: what does using weapons make bashar? Answer: war criminal

Ex Output:
yes