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: .@RoyalSegolene: "We have the solutions to #climatechange, we just need to deploy them" COP21 #ActionDay #LPAA UN Climate Action (@UNFCCC) December 5, 2015 Question: who has the solutions for climate change? Answer: he will sign it.

Ex Output:
no


Ex Input:
Context: .@macklemore, first you trick people into thinking you're a rapper, now you trick them into thinking you're Jewish? Seth Rogen (@Sethrogen) May 18, 2014 Question: what is macklemore trying to trick people into believing? Answer: in the south.

Ex Output:
no


Ex Input:
Context: At 1:21 before launch, a thrust vector control actuator for the Falcon 9's 2nd stage failed to perform as expected. @SpaceX is evaluating.— NASA (@NASA) January 6, 2015 Question: what happened to the thrust vector control Answer: it failed

Ex Output:

yes