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: An exceptional performance from Dimitrov, who knocks out defending champ Murray 6-1 7-6 6-2 to reach his 1st Slam SF Wimbledon (@Wimbledon) July 2, 2014 Question: who lost to dimitrov? Answer: murray

Output: yes


Input: Consider Input: Context: Learn how you can help the Cornwall campaign & to sound proof yr practice space: @BLOENVY Foo Fighters (@foofighters) March 23, 2016 Question: what campaign is seeking help? Answer: if she could eat curry

Output: no


Input: Consider Input: Context: Tried protecting generator from shrapnel with sand bags. Attacks have destroyed emergency rooms, entire hospitals. 1 Doctors w/o Borders (@MSF_USA) November 19, 2016 Question: what have attacks destroyed? Answer: deaths


Output: no