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: It's been one year since these four boys decided to be strong and stay for us # One Direction (@1DsUniverse) March 25, 2016 Question: how long has it been without zayn? Answer: one year

Ex Output:
yes


Ex Input:
Context: DO NOT SAY WE HAVENT PRIORITISED ODI CRICKET! We played a back to back Ashes to make sure England played 6 months of ODI's before this WC! 😡— Kevin Pietersen (@KP24) March 9, 2015 Question: what has kevin pietersen's team prioritised? Answer: odi cricket

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