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: You don't have to search hard to figure out why #GoogleGlass is being retooled: Adweek (@Adweek) January 16, 2015 Question: how long was he friends with kesha? Answer: for many years.
answer:
no


question:
Context: Sigh. Because I'm still having to use the block button for hateful messages. #YesAllWomen— Amber Naslund (@AmberCadabra) May 26, 2014 Question: what is amber using to stop hateful messages Answer: the block button
answer:
yes


question:
Context: they were extraordinary together #GreysAnatomy ☪ (@harryfairies) April 24, 2015 Question: how much was spilled into the river? Answer: 143 million gallons
answer:

no