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.

[Q]: Context: Joe Biden's son ousted from the Navy for cocaine? If the son is like the father, that's a scary thought: think of Joe Biden. Now add cocaine— Bill Maher (@billmaher) October 18, 2014 Question: what branch of military was joe biden's son in? Answer: navy
[A]: yes


[Q]: Context: Boom, boom, BOOM! Katy Perry broke the halftime show record with 118.5 million viewers. The game had a record 114.4M — Brian A. Hernandez (@BAHjournalist) February 2, 2015 Question: who broke the half-time record for the super bowl? Answer: katy perry
[A]: yes


[Q]: Context: Liliinn Hemingway, granddaughter & grt granddaughter wait for flag removal. "It's a beautiful day in South Carolina." Nick Valencia (@CNNValencia) July 10, 2015 Question: what are they fleeing from? Answer: intensified fighting in mosul.
[A]:
no