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: Tennessee's GOP Governor @BillHaslam has been elected RGA Chairman for 2015! The RGA (@The_RGA) November 20, 2014 Question: what is the author of the tweets emotion? Answer: disappointed

Ex Output:
no


Ex Input:
Context: Kurt Helin @basketballtalkCeltics’ Jaylen Brown, reportedly Spurs’ Jonathon Simmons invited to dunk contest , 5:39:15 PM Question: to what is jonathon simmons invited? Answer: a dunk contest.

Ex Output:
yes


Ex Input:
Context: The Mavericks, of course, will proceed with their planned $94 million offer sheet to Warriors restricted free agent Harrison Barnes July 7— Marc Stein (@ESPNSteinLine) July 4, 2016 Question: what is the mavericks offer to the warriors? Answer: $94 million offer sheet

Ex Output:

yes