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: Did you miss the first half? Here's what it looked like on our live blog: #CNNWorldCup CNN Football Club (@CNNFC) July 8, 2014 Question: who was the world cup against? Answer: brazil and germany

Output: yes


Input: Consider Input: Context: At 1:21 before launch, a thrust vector control actuator for the Falcon 9's 2nd stage failed to perform as expected. @SpaceX is evaluating.— NASA (@NASA) January 6, 2015 Question: what happened to the thrust vector control Answer: it failed

Output: yes


Input: Consider Input: Context: Jackie Evancho's album sales have skyrocketed after announcing her Inauguration performance.Some people just don't understand the "Movement"— Donald J. Trump (@realDonaldTrump) January 4, 2017 Question: when did jackie evancho's album sales increase? Answer: justin bieber.


Output: no