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: BEYONCÉ IS PREGNANT AGAIN AND HAVING TWINS BLUE IS GONNA BE A BIG SISTER Jawn Valjawn (@jackiepayton) February 1, 2017 Question: how many younger siblings will blue have? Answer: two

Ex Output:
yes


Ex Input:
Context: I couldn't agree more with @SenFeinstein. The American people deserve answers. Sen. Patrick Leahy (@SenatorLeahy) June 9, 2017 Question: what do the american people deserve? Answer: reporters

Ex Output:
no


Ex Input:
Context: Later today Prince Harry will be revealing his secret in support of @Sentebale #FeelNoShame campaign for #WorldAIDSDay— Clarence House (@ClarenceHouse) December 1, 2014 Question: prince harry is taking part in a campaign for which charity? Answer: sentebale

Ex Output:

yes