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: @klustout make it quick. drop it in the tub. better for both of you...— Bill Bishop (@niubi) September 24, 2013 Question: where were some victims from? Answer: council bluffs, iowa
[EX A]: no

[EX Q]: Context: Well I guess it is time to say goodbye to all my friends, family, support team. I will be making my final impact very soon.— MESSENGER (@MESSENGER2011) April 30, 2015 Question: what are the harringtons  requesting? Answer: to please find hannah.
[EX A]: no

[EX Q]: Context: Jonah Goldberg @JonahNRO of the once great @NRO #National Review is truly dumb as a rock. Why does @BretBaier put this dummy on his show?— Donald J. Trump (@realDonaldTrump) April 20, 2015 Question: what does donald trump think jonah goldberg is "truly dumb as" ? Answer: a rock
[EX A]:
yes