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: Consider Input: Context: Nobody can deny @realDonaldTrump uncovered a 14 year long 9/11 cover-up re: celebrations on Jersey City rooftops. Daniel Scavino Jr. (@DanScavino) December 2, 2015 Question: who uncovered a 14-year long 9/11 cover-up? Answer: donald trump

Output: yes

Input: Consider Input: Context: .@VP Mike Pence is working hard on HealthCare and getting our wonderful Republican Senators to do what is right for the people. Donald J. Trump (@realDonaldTrump) July 14, 2017 Question: what did louis just name his baby boy? Answer: sydney rain

Output: no

Input: Consider Input: Context: Very sorry to say that I have to pull out today. Very disappointed and I am obviously very sorry for any fans... Kei Nishikori (@keinishikori) March 28, 2014 Question: what athlete was featured in the advertisement? Answer: luis suarez
Output: no