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: Someone said we don't win anymore. Must not be watching Americans swimming in Rio tonight! #Rio2016 John Kasich (@JohnKasich) August 13, 2016 Question: where is america swimming? Answer: rio
[EX A]: yes

[EX Q]: Context: Prince didn't even perform tonight and he owned the Grammys. Mashable (@mashable) February 9, 2015 Question: how many refugees were stuck? Answer: 100s
[EX A]: no

[EX Q]: Context: Stopped by the cops again wish me luck. Chris Rock (@chrisrock) March 31, 2015 Question: who was chris rock stopped by? Answer: cops
[EX A]:
yes