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: #DemocracySpring sitting in -- said they'll try to enter arena perimeter if not arrested... one delegate turned back Greg Krieg (@GregJKrieg) July 25, 2016 Question: how many delegates were turned back? Answer: one
Example Output: yes

Example Input: Context: This is the future of repression. If we do not fight it there, it will happen here. #KeepItOn #BringBackOurInternet Edward Snowden (@Snowden) January 25, 2017 Question: what will happen if we don't fight it? Answer: repression
Example Output: yes

Example Input: Context: Historic Charleston churches to ring bells in unity Sunday for shooting victims via @postandcourier— Mike Mooneyham (@ByMikeMooneyham) June 18, 2015 Question: what do the churches ring their bells for? Answer: shooting victims
Example Output:
yes