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: #Oilers & Dallas tied 2-2 after 40 thanks to @cmcdavid97's 1st NHL goal #EDMvsDAL | READ > — Edmonton Oilers (@EdmontonOilers) October 14, 2015 Question: who tied with the dallas hockey team? Answer: oilers
Example Output: yes

Example Input: Context: The fact that Harry Reid called up Murthy right away on Monday proves this vote was going to happen with or without Cruz's amnesty vote— Amanda Carpenter (@amandacarpenter) December 16, 2014 Question: who is in charge of the amnesty vote? Answer: hillary clinton.
Example Output: no

Example Input: Context: The world's first pygmy hippo cafe is coming to London this summer: #HappyHippo CafeHippo (@CafeHippo) April 1, 2015 Question: what is coming to london this summer? Answer: it's cheap.
Example Output:
no