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.

[Q]: Context: A park bench is rendered useless as the Cedar River continues its rise #Flood2016 #iawx Connor Morgan - KGAN (@CMorganCBS2) September 25, 2016 Question: what is the name of the river? Answer: the cedar river
[A]: yes


[Q]: Context: We introduce the girls to mentors who are females in STEM and these mentors teach the girls to code #thisisafrica Regina Agyare (@ragyare) September 24, 2014 Question: what are these girls and their mentors involved in? Answer: stem
[A]: yes


[Q]: Context: @finaidfool I'm not a crass piece of garbage, but I will not argue with the second part of your statement.— Victor Paul Alvarez (@vpaulalvarez) January 15, 2015 Question: what does alvarez maintain he isn't? Answer: soccer
[A]:
no