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: It's the Ides of March. Oh boy. Lettuce eat Caesar Salads. 😉— Brian (@revolution1913) March 15, 2016 Question: what is the causal problem? Answer: obamacare payments

Ex Output:
no


Ex Input:
Context: Many people are equating BREXIT, and what is going on in Great Britain, with what is happening in the U.S. People want their country back!— Donald J. Trump (@realDonaldTrump) June 24, 2016 Question: who is presenting this clip? Answer: tom hiddleston

Ex Output:
no


Ex Input:
Context: School is on.. #sorrybeliebers #nostayingathomeandlisteningonedirectionallday MayorMark (@MayorMark) March 4, 2015 Question: what bands is the mayor mentioning? Answer: one direction and justin bieber

Ex Output:

yes