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: The improvised, evolving migrant trail to Europe. After Hungary blocks border, migrants & refugees walk to Croatia Ivan Watson (@IvanCNN) September 16, 2015 Question: who is walking to croatia Answer: rian johnson

Ex Output:
no

Ex Input:
Context: And then came Owen Wilson down the Valentino runway. #PFW Say wha??? Christina Binkley (@BinkleyOnStyle) March 10, 2015 Question: what did owen wilson model? Answer: valentino.

Ex Output:
yes

Ex Input:
Context: Good to see Mitt Romney suddenly talking about working families. Are corporations still people too, Mitt? Elizabeth Warren (@elizabethforma) January 18, 2015 Question: what is it good to see mitt romney suddenly talking about? Answer: kallis

Ex Output:
no