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: 4 -- For the 1st time in @ChampionsLeague history 4 german teams lost on a matchday. Novelty. OptaFranz (@OptaFranz) November 26, 2014 Question: what did sutter do today? Answer: drug the boat.
[EX A]: no

[EX Q]: Context: @MayorMark its all fun and games now wait until we are old enough to vote #lastlaugh Dylan (@DFPFilms1) March 4, 2015 Question: who has agreed to join @arsenal? Answer: alexis sanchez
[EX A]: no

[EX Q]: Context: In the last 30 hours, 10 of those were spent watching Making A Murderer. I'm not well. Justine Ezarik (@ijustine) December 28, 2015 Question: how many hours has ezarik spent watching tv? Answer: 30 hours
[EX A]:
yes