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.

Input: Consider Input: Context: Today, nearly 200 countries took an historic step to #ActOnClimate for future generations by phasing down HFCs: The White House (@WhiteHouse) October 15, 2016 Question: nearly 200 countries took steps to do what? Answer: putin

Output: no


Input: Consider Input: Context: My thoughts are with Rima and the rest of Alan's family. We have all lost a great talent. They have lost part of their hearts.— J.K. Rowling (@jk_rowling) January 14, 2016 Question: what have rima and the rest of alan's family lost? Answer: that they were not fearful for their lives.

Output: no


Input: Consider Input: Context: Back at hotel now after Etna explosion. Here's @NewsCamerawoman with the massive hole a lump of rock burnt through her coat. Rebecca Morelle (@BBCMorelle) March 16, 2017 Question: who does rebecca morelle work for? Answer: davidcorndc


Output: no