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: In the early morning hours cancer took the best friend, partner and pub trivia teammate a guy could ask for. Love you always @nanocindy Jason (@habcous) December 5, 2016 Question: what will happen after the ground teams review their data? Answer: the expansion of beam will continue.

A: no
****
Q: Context: As far as we have seen #MH4 was the only transcontinental flight going over Syria.— Flightradar24 (@flightradar24) July 21, 2014 Question: where should you come up to? Answer: the lab

A:
no
****