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: 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

A: yes
****
Q: Context: Why is easier to find an iPhone then to find a plane? Do they not have more then one tracking device? #8501QS #CNN Catalina Buitano (@CatalinaSheeran) December 29, 2014 Question: what seems to have only one tracking device? Answer: a plane.

A: yes
****
Q: Context: #Serena consulting a tournament doctor after the warm-up in her doubles w/#Venus vs Barrois/Voegele #Wimbledon Wimbledon (@Wimbledon) July 1, 2014 Question: when does serena consult the doctor? Answer: after the warm up

A:
yes
****