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: Hi @Waterstones I've been locked inside of your Trafalgar Square bookstore for 2 hours now. Please let me out.— David Willis (@DWill_) October 16, 2014 Question: where did david willis say he was locked in? Answer: waterstones trafalgar square bookstore

Ex Output:
yes


Ex Input:
Context: My thoughts are with all those impacted by the catastrophic earthquake that struck Nepal this morning.— Rep. Lois Frankel (@RepLoisFrankel) April 25, 2015 Question: what is lois frankel upset by? Answer: the earthquake that hit nepal.

Ex Output:
yes


Ex Input:
Context: How come it wasn't a problem when Future had his other children around Ciara but it's a problem for her son to be around HER HUSBAND— Caline (@Ci_so_lowkey) March 7, 2017 Question: who is it a problem for to be around ciara's husband? Answer: sean spicer

Ex Output:

no