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: Katherine Webb doing her best impression of Stefon from SNL after McCarron's fumble. #SugarBowl #OUvsBama — Jason Martinez (@JasonMartinezTV) January 3, 2014 Question: who is doing an impression of stefon from snl? Answer: katherine webb
Example Output: yes

Example Input: Context: Arrests are being made following declaration of unlawful assembly at Emancipation Park in Charlottesville. # VA State Police (@VSPPIO) August 12, 2017 Question: what declaration has been made by police in emancipation park in charlottesville? Answer: gutted.
Example Output: no

Example Input: Context: Rain to snow in 24 hours! It is going to be a quick change across portions of the south Wednesday. #whenwillwinterend CNN Weather Center (@CNNweather) March 4, 2015 Question: where is it going to be a quick change across? Answer: work really hard
Example Output:
no