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.

Ex Input:
Context: LEO AND KATE MEET IN THE WINNERS ROOM AND FALL IN LOVE AT THE TOP OF A STAIRCASE— Beth (@bethorne) January 11, 2016 Question: where did leo and kate fall in love? Answer: at the top of a staircase

Ex Output:
yes


Ex Input:
Context: The results are in. Unfettered free trade has been a disaster for working Americans. It is high time we ended our disastrous trade policies.— Bernie Sanders (@SenSanders) August 24, 2015 Question: who is trade a disaster for? Answer: working americans

Ex Output:
yes


Ex Input:
Context: GIF of the night: Vladimir Tarasenko's celebration after winning the game in overtime. # Cristiano Simonetta (@CMS_74_) April 8, 2016 Question: who had a very emotional day? Answer: gary woodland

Ex Output:

no