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: 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
[EX A]: yes

[EX Q]: Context: @klustout make it quick. drop it in the tub. better for both of you...— Bill Bishop (@niubi) September 24, 2013 Question: where were some victims from? Answer: council bluffs, iowa
[EX A]: no

[EX Q]: Context: I think @Madonna had to show us those badass shoes 😍👠 during carpool karaoke—cuz we already know she's flexible!!!!— RealityTC® 🖖🏼 (@RealityTC) December 8, 2016 Question: who should be trusted? Answer: the toffs
[EX A]:
no