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: The worst commercial goes to @CocaCola, press one for English! #tcot #SuperBowlXLVIII — Alexandra Foster (@KAFosterSowell) February 3, 2014 Question: what did she think of the @cocacola commercial? Answer: the bachelorette

Ex Output:
no


Ex Input:
Context: #NepalEarthquake2 Casualties being moved from village #Mrigu to #Kathmandu by #IAF's MI-17 V5 helicopter. Sitanshu Kar (@SpokespersonMoD) May 12, 2015 Question: what caused there to be casualties? Answer: #nepalearthquake2

Ex Output:
yes


Ex Input:
Context: Robin Williams ~ Vaya Con Dios my friend , I love you— George Lopez (@georgelopez) August 11, 2014 Question: who are you talking about? Answer: robin williams

Ex Output:

yes