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 so its goes, thank goodness with the best in Washington, Dr. Neil Starr! Alan P. Gross (@AlanPGross) February 16, 2015 Question: where is alan p. gross? Answer: washington

Ex Output:
yes


Ex Input:
Context: "Same thing basically." -the Pepsi ad wizards who came up with this one Joanna Robinson (@jowrotethis) April 4, 2017 Question: what are the pepsi ad wizards say? Answer: same thing basically

Ex Output:
yes


Ex Input:
Context: Can you believe that the corrupt and pathetic South Africa police force has yet to arrest the sign language guy. Such danger-give 10 years!— Donald J. Trump (@realDonaldTrump) December 13, 2013 Question: what is burnet institute staff safe from? Answer: tavurvur

Ex Output:

no