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.

[EX Q]: Context: #NepalEarthquake2 Casualties being moved from village #Mrigu to #Kathmandu by #IAF's MI-17 V5 helicopter. Sitanshu Kar (@SpokespersonMoD) May 12, 2015 Question: what caused there to be casualties? Answer: #nepalearthquake2
[EX A]: yes

[EX Q]: 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: how many were killed? Answer: 9
[EX A]: yes

[EX Q]: Context: KKW & I spoke in July on the phone; I was interested in how she navigated controversy/business & surrounded her black children w/ images.— Janet Mock (@janetmock) August 29, 2017 Question: how did the conversation occur? Answer: apology
[EX A]:
no