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: I'm not even driving stop by the cops again Chris Rock (@chrisrock) February 28, 2015 Question: who was it that stopped @chrisrock? Answer: long ago

Ex Output:
no


Ex Input:
Context: Katy Perry rocking the Wii safety strap during the halftime show. #SuperBowl Funny Or Die (@funnyordie) February 2, 2015 Question: who was wearing a safety strap? Answer: katy perry

Ex Output:
yes


Ex Input:
Context: The @Royals may have lost, but this team and that city is all winner. Thanks for a GREAT post season. Congrats Giants and GO @KCChiefs!!!!— Eric Stonestreet (@ericstonestreet) October 30, 2014 Question: what team are they rooting for now? Answer: kcchiefs

Ex Output:

yes