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: Jimmy & @KevinHart4real visit a haunted house! #FallonTonight u Fallon Tonight (@FallonTonight) October 14, 2016 Question: who visited a haunted house with jimmy fallon Answer: kevin hart
Example Output: yes

Example Input: 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.
Example Output: no

Example Input: Context: 725am central HK. Chinese flag turned upside down by protesters. Standoff continues. No sign of police action Andrew Stevens (@andrewcnn) September 28, 2014 Question: who thinks the batmobile looks stylish and in good repair? Answer: mark fleming
Example Output:
no