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.
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

no