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.

Input: Consider Input: Context: Incredible!! @Blaney puts the No. 21 team back on top! NASCAR (@NASCAR) June 11, 2017 Question: who is the man that put the team back on top? Answer: blaney

Output: yes


Input: Consider Input: Context: Despite this, they claim without evidence I'm in cahoots with Russian intel. Everyone knows this is false, but let's examine their basis:— Edward Snowden (@Snowden) December 22, 2016 Question: who posted this tweet? Answer: psg officiel

Output: no


Input: Consider Input: Context: 225mm rain fell in Sydney over the last 2 days. That's the wettest 2-day period since 7-8 August 1998 #SydneyStorm BOM New South Wales (@BOM_NSW) April 22, 2015 Question: what hashtag was used in the tweet? Answer: #thisflag


Output: no