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: An Iceberg that looks like an old depressed Batman.....or Ben Affleck as it's now commonly known 😄 #BatmanvSuperman Nick (@ColossusNick) July 25, 2014 Question: what are the people who used selena to gain attention doing now? Answer: point the finger
[EX A]: no

[EX Q]: Context: Following Monday's Russian #doping allegations, do you still have trust in track and field?— CNN Sport (@cnnsport) November 10, 2015 Question: how many hours was the lucky woman stuck in the 5th floor building? Answer: 36 hours
[EX A]: no

[EX Q]: Context: The increasingly insane Emma Thompson is sailing with Greenpeace to help #savethearctic. Track her and laugh at her anoraks @savethearctic— Hugh Grant (@HackedOffHugh) August 1, 2014 Question: why is emma thompson sailing? Answer: to help save the arctic.
[EX A]:
yes