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.

Example Input: Context: Good: Pixar's working on 'Toy Story 4' (woohoo!) Bad: Toy Story 3 ended perfectly. Why make Toy Story 4? Ugly: The wait for it till 2017. Akshar (@AksharPathak) November 7, 2014 Question: who is making toy story 4? Answer: disney and pixar
Example Output: yes

Example Input: Context: Although if we're honest, the Blair's Christmas card is still better than last year's effort Dean Burnett (@garwboy) December 1, 2014 Question: who decided to allow legal marriage for gays? Answer: the 4th circuit.
Example Output: no

Example Input: Context: In addition to Pat Riley, it is believed Miami's Erik Spoelstra, Mickey Arison and Dwyane Wade will attend today's meeting with LeBron James Chris Broussard (@Chris_Broussard) July 9, 2014 Question: who attended a meeting with lebron james in july 2014? Answer: pat riley
Example Output:
yes