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: 3. Big boats are dangerous. This is Wayne. He got sucked under a barge on the Missouri River. Survived, w/glasses John D. Sutter (@jdsutter) July 3, 2014 Question: what was the outcome for wayne? Answer: survived
Example Output: yes

Example 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
Example Output: yes

Example Input: Context: "9 killed in Waco biker gang shootout - where are the white leaders decrying this white-on-white violence?" #stuffthemedianeversays — John Fugelsang (@JohnFugelsang) May 18, 2015 Question: what color are the leaders? Answer: white
Example Output:
yes