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.

Ex Input:
Context: Obama to Bernie Sanders: "You look like 37,000 donations of $27 each" #WHCD CNN Politics (@CNNPolitics) May 1, 2016 Question: which president made a comment to sanders? Answer: chairman of the senate armed services committee

Ex Output:
no


Ex Input:
Context: .@Pontifex reaches out to a woman at St. Patrick's Cathedral who cannot stand up. #PopeInNYC Anderson Cooper 360° (@AC360) September 25, 2015 Question: what is wrong with the woman ? Answer: her heart

Ex Output:
no


Ex Input:
Context: Looking forward to working with this legend. #Mufasa Jon Favreau (@Jon_Favreau) February 18, 2017 Question: what is jon's last name Answer: his last name is favreau

Ex Output:

yes