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: We coming to the White House @BarackObama •• hope you ready for us! — Bobby Wagner (@Bwagz54) February 3, 2014 Question: who is coming to the white house? Answer: nsa and/or fortmeade public affairs.
[EX A]: no

[EX Q]: Context: President Obama has a beer and shoots pool with Gov. Hickenlooper at the Wynkoop Brewing Company Bar. Doug Mills (@dougmillsnyt) July 9, 2014 Question: who did obama enjoy beer and shoots with? Answer: x's victory
[EX A]: no

[EX Q]: Context: All civilians have been evacuated from #LibertyIsland. Emergency personnel only. #NYPD BOMB SQUAD moving in. NYPD 1st Precinct (@NYPD1Pct) April 24, 2015 Question: where were civilians evacuated from? Answer: liberty island
[EX A]:
yes