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: VIDEO: Two dozen protesters outside Dallas home of #OU #SigmaAlphaEpsilon frat member. Jason Whitely (@JasonWhitely) March 11, 2015 Question: is the frat member privileged? Answer: by looking at his home, yes.

Ex Output:
yes


Ex Input:
Context: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat

Ex Output:
no


Ex Input:
Context: This video is appalling but it shows why accountability & transparency are so important. It shouldn't take a video to ensure justice.— Martin O'Malley (@GovernorOMalley) April 8, 2015 Question: what does the video show? Answer: why accountability & transparency are so important

Ex Output:

yes