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.

[EX Q]: Context: Bill O'Reilly before Trump got into the race.Bill O'Reilly after the election. southpaw (@nycsouthpaw) December 21, 2016 Question: who got into the race? Answer: trump
[EX A]: yes

[EX Q]: 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.
[EX A]: no

[EX Q]: Context: Funeral for 4 boys, cousins ages ranging from 9 to 11, killed in Israeli strike on #Gaza beach Wednesday afternoon. benwedeman (@bencnn) July 16, 2014 Question: how were the boys related? Answer: cousins
[EX A]:
yes