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: Tim Cahill hammers #AUS level against the #NED in Porto Alegre. The best goal of #Brazil2014? #CNNWorldCup CNN Football Club (@CNNFC) June 18, 2014 Question: which soccer team does tim cahill play on? Answer: @marcmarquez93

Ex Output:
no


Ex Input:
Context: The RedState Gathering is a four day event and other candidates have already indicated that they will be attending both. (2/3)— Jeff Kaufmann (@kaufmannGOP) May 12, 2015 Question: how many days is the redstate gathering Answer: chillicothe, mo

Ex Output:
no


Ex Input:
Context: Committed to start drafting the comprehensive nuclear deal immediately. All will be served by a serious agreement based on mutual respect.— Javad Zarif (@JZarif) April 2, 2015 Question: what deal was being drafted Answer: the comprehensive nuclear deal

Ex Output:

yes