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.

Input: Consider Input: Context: The guy in front of her just shouted at her. He's a true hero. — Ryan Case (@film114) September 29, 2014 Question: what did the guy do? Answer: shouted at her.

Output: yes


Input: Consider Input: Context: Kurt Helin @basketballtalkBrilliant dig: Knicks fans chant “Derek Fisher” as Kings’ Matt Barnes inbounds ball , 4:18:07 AM Question: what are the fans chanting? Answer: derek fisher

Output: yes


Input: Consider Input: Context: I would hope that Phylicia Rashad would apologize now that @missjillscott has! You cannot discount 30 victims who come with similar stories.— JDWhitner (@JDWhitner) July 7, 2015 Question: how many victims have come forward? Answer: 30


Output: yes