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 Q]: Context: Props to #Eggos for seizing this #StrangerThings2 branding opportunity. They have waffle recipes for all of the new eps. Here’s 1 🍕 & 2 🍳 Carly Mallenbaum (@ThatGirlCarly) October 27, 2017 Question: what brand of waffles is being used? Answer: eggos
[EX A]: yes

[EX Q]: Context: Working all the angles. Took this #selfie while investigating an area with hydrated minerals c Curiosity Rover (@MarsCuriosity) August 19, 2015 Question: what was it working? Answer: because hes gross
[EX A]: no

[EX Q]: Context: Edin Džeko (@EdDzeko) May 21, 2014 Question: which countries are mentioned? Answer: keke palmer
[EX A]:
no