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: I'm all about that base. Reached the base layer of Mt Sharp. New science ahead! Curiosity Rover (@MarsCuriosity) September 11, 2014 Question: what is the tweeter all about? Answer: the base
[EX A]: yes

[EX Q]: Context: He's working miracles at Liverpool mans a genius . Never worked with some some one so good and skillful .#steve peters— Ronnie O'Sullivan (@ronnieo147) March 31, 2014 Question: who is ronnie think works miracles? Answer: steve peters
[EX A]: yes

[EX Q]: Context: It happens to the best of us @ Jessica Simpson (@JessicaSimpson) July 9, 2017 Question: who was perhaps the worst president of the united states? Answer: president obama
[EX A]:
no