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: 200 people at #chicago Mayor Rahm Emanuel's office protesting police handling of black men. #ferguson #cnn billkirkos (@KirkosBill) November 25, 2014 Question: how many people protested at rahm emanuel's office? Answer: 200 people
answer:
yes


question:
Context: Just made @KyleBusch some pancakes, got his cool boot on n working and he's playing video games! He's doing great! 👍 Samantha Busch (@SamanthaBusch) December 11, 2014 Question: what is missouri state fair requiring for rodeo clowns Answer: sensitivity training
answer:
no


question:
Context: "It's just like the birther claims" -- Carl Bernstein on the man who says he has proof that millions voted illegally, but would not show it New Day (@NewDay) January 27, 2017 Question: who was chris rock stopped by? Answer: cops
answer:

no