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: Two more nations are out of the World Cup, two more have kept their dreams alive: #CNNWorldCup CNN Football Club (@CNNFC) June 25, 2014 Question: what sport is trying to push the boundaries? Answer: vaulting
Example Output: no

Example Input: Context: If dopey Mark Cuban of failed Benefactor fame wants to sit in the front row, perhaps I will put Gennifer Flowers right alongside of him!— Donald J. Trump (@realDonaldTrump) September 24, 2016 Question: who visited a haunted house with jimmy fallon Answer: kevin hart
Example Output: no

Example Input: Context: 6. Other countries need to do more. Shameful that GCC countries are not taking Syrian refugees for example.— Nadim Houry (@nadimhoury) September 3, 2015 Question: what is the sentiment expressed here? Answer: shameful
Example Output:
yes