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: And listen even if @DanielHandler is her friend, he's just made sure that the story is his racist joke, not her achievements.— Mikki Kendall (@Karnythia) November 20, 2014 Question: how good of a friend? Answer: he is a very good friend

Ex Output:
yes


Ex Input:
Context: #RedCross preparing a boat loaded with tarpaulins, set to sail for Nui tomorrow #CyclonePam @Federation New Zealand RedCross (@NZRedCross) March 19, 2015 Question: what kind of products is the red cross taking to nui? Answer: tarpaulins

Ex Output:
yes


Ex Input:
Context: .@CarlyFiorina has ZERO trouble making it back from commercial breaks @HillaryClinton. Just saying. #Festivus #waronwomensrooms— Dr. Rand Paul (@RandPaul) December 23, 2015 Question: what exhibit is at museum of moving image? Answer: he will not divide us

Ex Output:

no