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: 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
Example Output: yes

Example Input: Context: The #KayoolaSolarBus has just arrived at Kampala Serena ahead of its launch on Tuesday. Kiira Motors (@KiiraMotors) February 14, 2016 Question: where did the bus arrive? Answer: kampala serena
Example Output: yes

Example Input: Context: "You need to give it up. Had about enough. It's not hard to see, the boy is mine." Jarett Wieselman (@JarettSays) September 1, 2015 Question: who needs to give it up? Answer: you
Example Output:
yes