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: RIP #OrnetteColeman: "Dancing in Your Head," live: Kurt Loder (@kurt_loder) June 11, 2015 Question: what is the title of the song mentioned? Answer: dancing in your head
answer:
yes

question:
Context: Cheers to @Letterman. A king, a king-maker, and probably the man most to blame for inflicting me on America. See you soon. Ricky Gervais (@rickygervais) April 3, 2014 Question: who sent michelle obama a letter? Answer: beyonce
answer:
no

question:
Context: Police react in aftermath of explosion #bostonmarathon #boylstonst (John Tlumacki photo) Boston Globe Sports (@BGlobeSports) April 15, 2013 Question: what event did the bomb disrupt? Answer: boston marathon
answer:
yes