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: See which new faces will be gracing the @NYFW runways this season... #NYFW# IMG Models (@IMGmodels) September 6, 2017 Question: who are the thoughts & prayers for? Answer: family of maurice white

Ex Output:
no


Ex Input:
Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela

Ex Output:
yes


Ex Input:
Context: For everyone who is going to #BoycottHamilton my family, friends, & I will fall on the sword & take your tickets. #wegotyou— Jillian Michaels (@JillianMichaels) November 19, 2016 Question: which organs are starting to heal? Answer: liver and kidneys.

Ex Output:

no