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: Friant Kern canal sends water 152 mi south of here to Bakersfield Cali. Mostly to farms. #endangeredriver John D. Sutter (@jdsutter) June 13, 2014 Question: what is the purpose of friant kern canal ? Answer: it sends water to farms
Example Output: yes

Example Input: Context: Littlelady&yourgrowing young man @nickdgordon miss you mommy ..:') SOmuch.. loving you more every sec. #Anniversary! Bobbi Kristina H.G. (@REALbkBrown) January 26, 2015 Question: who is bobbi kristina missing? Answer: wow you have two dads
Example Output: no

Example Input: Context: People are leaving the awards show in droves right now during Jay Z and Beyonce clip #BETAwards @GailBBMitchell— billboard (@billboard) June 30, 2014 Question: what awards were jay z and beyonce shown Answer: bet awards
Example Output:
yes