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: People here are cutting back on groceries to make ends meet. Less water means less farm work. #endangeredriver John D. Sutter (@jdsutter) June 18, 2014 Question: on what are people cutting back? Answer: right part of tail section
Example Output: no

Example Input: Context: AP NFL @AP_NFLPatriots backup QBs played key role in Super Bowl run @khightower #SB51 , 7:33:06 PM Question: who played a key role in patriots super bowl run? Answer: backup qbs
Example Output: yes

Example Input: Context: Alleged comments by #Steelers LB @jharrison9292 on social media today regarding any protests are false & should not be used as a reference. — Burt Lauten (@SteelersPRBurt) August 14, 2017 Question: which linebacker posted this reference? Answer: james harrison
Example Output:
yes