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: Why is easier to find an iPhone then to find a plane? Do they not have more then one tracking device? #8501QS #CNN— Catalina Buitano (@CatalinaSheeran) December 29, 2014 Question: what seems to have only one tracking device? Answer: a plane.

Ex Output:
yes


Ex Input:
Context: "To win the Arc is the dream of Japan" says Yuichi Fukunaga, the jockey of Just A Way #QPAT France Galop (@francegalop) October 1, 2014 Question: who is the jockey of just a way Answer: yuichi fukunaga

Ex Output:
yes


Ex Input:
Context: Commissioner: "Do not leave your decision to the last minute. Do not think fire can't happen to you. Do not expect a fire truck." #nswrfs— NSW RFS (@NSWRFS) October 22, 2013 Question: what should you not expect? Answer: do not expect a fire truck?

Ex Output:

yes