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.

Example Input: Context: what people expect their pictures to look like tonight vs what they will look like #SuperBloodMoon So Damn True! (@SayingForFemale) September 28, 2015 Question: how often does this happen Answer: 150 years ago
Example Output: yes

Example Input: 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
Example Output: no

Example Input: Context: Still sad that Jay had to leave but @jimmyfallon is an awesome replacement! What a cool class act! Way to go Jimmy... #FallonTonight— Chris Eyres (@ChrisPuraVida) February 18, 2014 Question: who did jimmy fallon replace? Answer: the chance to write
Example Output:
no