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: It has been a blessing to know John Glenn and for Connie and me to count him and Annie as mentors and friends. We will miss him. - SB— Sherrod Brown (@SenSherrodBrown) December 8, 2016 Question: what's the only last name mentioned? Answer: glenn
[EX A]: yes

[EX Q]: Context: Nearby Army Pavilion has become a tent city. 1000s made homeless or too scared to be under a roof are squatting here. Tim Hume (@tim_hume) April 27, 2015 Question: what has become a tent city? Answer: the lord
[EX A]: no

[EX Q]: Context: Diggers moving in as children still outside of safe accommodation in #CalaisJungle @SaveUKNews Dorothy Sang (@DorothySang) October 27, 2016 Question: who is moving in for the children? Answer: barack obama
[EX A]:
no