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: Is Ebola a disease of #poverty? Read this @UNDP blog to find out: #EbolaResponse UN Geneva (@UNGeneva) December 4, 2014 Question: what disease are they tweeting about? Answer: ebola
Example Output: yes

Example Input: Context: Israel is like a canary in the coal mines. If they go down we Americans go down. Watch "Four Blood Moons" Be Encouraged God is for us.— Misty McGlugritch (@AcronymAuthor) August 24, 2015 Question: what should we watch to find out more about israel's importance? Answer: "four blood moons"
Example Output: yes

Example Input: Context: Protest outside of McConnell's office after release of Senate healthcare bill Vaughn Hillyard (@VaughnHillyard) June 22, 2017 Question: where is the protest after release of healthcare bill? Answer: @layzebone
Example Output:
no