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 Input:
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 Output:
yes


Ex Input:
Context: Working all the angles. Took this #selfie while investigating an area with hydrated minerals c Curiosity Rover (@MarsCuriosity) August 19, 2015 Question: what sport is creating more conspiracy theories? Answer: fifa

Ex Output:
no


Ex Input:
Context: Proud of this. Freedom to mock is our greatest weapon. Thanks to the writers who asked not to be mentioned by name. taran killam (@TaranKillam) March 1, 2015 Question: who else is in meeting with heat and lebron james? Answer: pat riley and gm assistant andy ellsburg.

Ex Output:

no