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.

Example Input: Context: 3. Big boats are dangerous. This is Wayne. He got sucked under a barge on the Missouri River. Survived, w/glasses John D. Sutter (@jdsutter) July 3, 2014 Question: what was the outcome for wayne? Answer: survived
Example Output: yes

Example Input: Context: "Snakes shed their skin to allow for further growth and to remove parasites that may have attached to their old skin." #TS6ISCOMIMGhttps:// Katie Krause (@Katie_Krause) August 21, 2017 Question: where might parasites be attached Answer: to their old skin
Example Output: yes

Example Input: Context: Joe Biden's son ousted from the Navy for cocaine? If the son is like the father, that's a scary thought: think of Joe Biden. Now add cocaine— Bill Maher (@billmaher) October 18, 2014 Question: why was joe biden's son ousted from the navy? Answer: cocaine
Example Output:
yes