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: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat
Example Output: no

Example Input: Context: They should just cancel this series and make it up later!! Playing in front of a empty house makes no sense!!— Frank Thomas (@TheBigHurt_35) April 28, 2015 Question: why did thomas want to cancel the series Answer: there was an empty house
Example Output: yes

Example Input: Context: I am very disappointed in China. Our foolish past leaders have allowed them to make hundreds of billions of dollars a year in trade, yet...— Donald J. Trump (@realDonaldTrump) July 29, 2017 Question: where do we need to stay? Answer: hong kong
Example Output:
no