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.

Input: Consider Input: 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

Output: yes


Input: Consider Input: Context: .@smsaideman fulfils his unbreakable vow & receives my "Best Security Article" award at #ISA2017 after I could not attend due to #MuslimBan. C — Aisha Ahmad (@ProfAishaAhmad) February 25, 2017 Question: why couldn't aisha ahmad go to the awards? Answer: he tells him to fight hard.

Output: no


Input: Consider Input: Context: @CarolCNN #EbolaQandA Why not ban entry by anyone who had been in affected African? Quarantine full contamination period symptoms or not.— Harv (@HPutt) October 1, 2014 Question: who are they suggesting we ban? Answer: investigating world cup bidding process


Output: no