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: California-based U.S. Marine helicopter crashes, two fatalities. Our hearts go out to the families of the Marines. MCAS Miramar, 3rdMAW (@MCASMiramarCA) January 24, 2015 Question: how many deaths did the helicopter crash cause? Answer: two
yes