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: Introducing: Bouncy Aisles, in-store from Friday. Those pesky products on high shelves better watch out... Tesco (@Tesco) April 1, 2015 Question: how are height issues being addressed? Answer: bouncy aisles.

Output: yes


Input: Consider Input: Context: Done. But loser has to drive in the opposing team's gear on the opposing campus. Meaning u will b driving the beautiful ppl of Iowa City Benny (@bennyjohnson) November 22, 2016 Question: where did the loser have to drive in the opposing team's gear? Answer: 7 pounds.

Output: no


Input: Consider Input: Context: The WALL, which is already under construction in the form of new renovation of old and existing fences and walls, will continue to be built.— Donald J. Trump (@realDonaldTrump) September 14, 2017 Question: what does donald trump claim is already being built? Answer: the wall


Output: yes