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: Today there were terror attacks in Turkey, Switzerland and Germany - and it is only getting worse. The civilized world must change thinking!— Donald J. Trump (@realDonaldTrump) December 19, 2016 Question: what must the civilized world do according to trump? Answer: change thinking

Ex Output:
yes


Ex Input:
Context: Ticket to ride! Send your name on our #JourneyToMars, starting with #Orion's first flight: NASA (@NASA) October 8, 2014 Question: how do you get a personalized pass? Answer: ssend your name to #journey to mars.

Ex Output:
yes


Ex Input:
Context: the rough places will be made plain and the crooked places will be made straight #IHaveADream— Alicia Keys (@aliciakeys) January 16, 2017 Question: what would be made plain? Answer: the rough places

Ex Output:

yes