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 Q]: Context: USA vs Belgium with @tomhanks @ColinHanks @eahanks #USMNT GO!!!! Rita Wilson (@RitaWilson) July 1, 2014 Question: for what title did the usa play against belgium? Answer: the world cup.
[EX A]: yes

[EX Q]: Context: @cnnafricanstart "Start early, get your idea on the ground and work on it". Many good ideas die before they take off #CNNAfrica— Jayell (@DopeAF_) January 14, 2015 Question: what's the first step of this piece of advice? Answer: someone showed that his emperor has no clothes.
[EX A]: no

[EX Q]: Context: #8501QS if primary radar was tracking plane then why do we not know where missing aircraft went below radar altitude?— Thomas Dehel (@TDEHEL) December 28, 2014 Question: what flight was the tweeter tweeting about? Answer: 8501
[EX A]:
yes