TASK DEFINITION: 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.
PROBLEM: Context: Three finalists could return to Cleveland early next week to make presentations w/ agent and LeBron James present, source tells Yahoo. Adrian Wojnarowski (@WojYahooNBA) July 4, 2014 Question: how many finalist return Answer: three

SOLUTION: yes

PROBLEM: Context: You don't have to search hard to figure out why #GoogleGlass is being retooled: Adweek (@Adweek) January 16, 2015 Question: how long was he friends with kesha? Answer: for many years.

SOLUTION: no

PROBLEM: Context: As a stockholder of a grocery store here, I appreciate you guys invoking a false panic again. #ATLsnow Tommy Sale (@TSale29) February 26, 2015 Question: in what does the tweeter own stock? Answer: a grocery store

SOLUTION:
yes