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 Input:
Context: Second of two satellites being deployed into proper orbit with today's launch SpaceX (@SpaceX) June 15, 2016 Question: when was this satellite launched? Answer: today

Ex Output:
yes


Ex 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: how many were killed? Answer: 9

Ex Output:
yes


Ex Input:
Context: We only have one goal. We want to go to Lisbon." #FCBMUFC 3-1 FC Bayern English (@FCBayernEN) April 9, 2014 Question: where does #robben want to go, in order to achieve their goal? Answer: the notorious big

Ex Output:

no