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: Throughout #HongKong, volunteers hand food, water, towels to protesters. They recycle too. Madison Park, 메디썬 박 (@MadisonCNN) September 29, 2014 Question: where did volunteers hand food, water and towels to protesters. Answer: ghastly

Ex Output:
no


Ex Input:
Context: Join us in wishing @Layup4Lauren good luck in her game today! #OneLastGame #TeamCincinnati Cincinnati Bengals (@Bengals) November 2, 2014 Question: which twitter user is being wished good luck? Answer: your vote.

Ex Output:
no


Ex Input:
Context: If you ever wanted to play Pacman on the streets of Pittsburgh (or anywhere else), go to Google Maps right now. Zack D'Ulisse (@740JZD) March 31, 2015 Question: where can you play pacman on the streets of pittsburg? Answer: google maps

Ex Output:

yes