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: This is what #airpollution looks like. #DelhiSmog today. Smell of burning in the air. Getting that choking feeling. #delhipollution Manimugdha Sharma (@quizzicalguy) November 5, 2016 Question: what city is the poster referring to? Answer: delhi

Ex Output:
yes

Ex Input:
Context: #AaronHernandez AARON SHOW NO REACTION ; VICTIM'S MOM CRIES, pumps her fists in air quietly, saying yes. fiance and mom of of AH weep susan candiotti cnn (@susancandiotti) April 15, 2015 Question: who showed no reaction? Answer: aaron hernandez

Ex Output:
yes

Ex Input:
Context: "Don't mean to offend anybody" - Creator of Ebola-themed Halloween house to @NBCDFW Ben Russell (@BenRussellNBC5) October 24, 2014 Question: who is the creator of an ebola-themed halloween house? Answer: ben russell.

Ex Output:
yes