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: Word is that Ford Motor, because of my constant badgering at packed events, is going to cancel their deal to go to Mexico and stay in U.S. Donald J. Trump (@realDonaldTrump) October 25, 2015 Question: what type of badgering does donald do? Answer: constant

Ex Output:
yes

Ex Input:
Context: Obama to Bernie Sanders: "You look like 37,000 donations of $27 each" #WHCD CNN Politics (@CNNPolitics) May 1, 2016 Question: who is st louis locked on? Answer: new york rangers

Ex Output:
no

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: what term was used to describe hillary clinton? Answer: c--t

Ex Output:
no