instruction:
In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.
question:
Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela
answer:
yes


question:
Context: Committed to start drafting the comprehensive nuclear deal immediately. All will be served by a serious agreement based on mutual respect.— Javad Zarif (@JZarif) April 2, 2015 Question: what deal was being drafted Answer: the comprehensive nuclear deal
answer:
yes


question:
Context: I really only liked Lilly because not everyone could afford it. Like. I don't want to wear it if my maid can too. #LillyForTarget— Catie Warren (@catie__warren) January 7, 2015 Question: who is britain's prime minister? Answer: theresa may
answer:

no