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: After my father passed I wrote to @stanfreberg to thank him. A day later he called me. #StanFreberg @HunterFreberg— Sean Daniels (@seandaniels) April 7, 2015 Question: who are the regrets addressed to? Answer: friends and family members

Ex Output:
no


Ex Input:
Context: Devastating news from Texas today. Praying for the victims, the heroic first responders, and the whole Sutherland Springs community.— Rep. Steve Scalise (@SteveScalise) November 5, 2017 Question: what community in texas had devastating news Answer: sutherland springs community

Ex Output:
yes


Ex Input:
Context: Wager for @alexcast: if Obama wins you shave your 'stache. If Romney wins I'll grow on. Deal?— Paul Begala (@PaulBegala) November 5, 2012 Question: what happens if obama wins? Answer: alex cast shaves mustache

Ex Output:

yes