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: A4: Investors want to see a prototype, build something before you ask for money. #CNNAfrica— Erik Hersman (@whiteafrican) January 14, 2015 Question: who wants to see a prototype? Answer: lebron
Example Output: no

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: @cnnivideo just to tell the love ones of each of the #BringBackOurGirls that they re not in the struggle alone,myself and many are with them— Ochedi lawrence (@Lawrence4law) June 14, 2014 Question: what is ochedi lawrence saying to bringbackourgirls? Answer: nick offerman
Example Output:
no