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.

Context: It has been a blessing to know John Glenn and for Connie and me to count him and Annie as mentors and friends. We will miss him. - SB— Sherrod Brown (@SenSherrodBrown) December 8, 2016 Question: what's the only last name mentioned? Answer: glenn
yes

Context: .@rafaelnadal survives the rain and Monaco to win his first title of '15, 64 61 @ArgentinaOpen ATP World Tour (@ATPWorldTour) March 1, 2015 Question: who won the title? Answer: sza or khalids
no

Context: We want U to #SaveLunchBreak! How? Tomorrow, buy ANY sub & 30oz drink, and GIVE ANY sub FREE! #NationalSandwichDay SUBWAY® (@SUBWAY) November 2, 2015 Question: how do i give a free sub? Answer: second period

no