TASK DEFINITION: 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.
PROBLEM: Context: 200 people at #chicago Mayor Rahm Emanuel's office protesting police handling of black men. #ferguson #cnn billkirkos (@KirkosBill) November 25, 2014 Question: how many people protested at rahm emanuel's office? Answer: 200 people

SOLUTION: yes

PROBLEM: Context: Breaking: Huge explosions shook the city in what might be the beginning of US airstrikes on ISIS HQs in Raqqa Abdulkader Hariri (@3bdUlkaed6r) September 23, 2014 Question: this tweet is not viewable Answer: this tweet is not viewable

SOLUTION: no

PROBLEM: Context: It also lifts the ban on selling advanced weapons to Iran. Better to keep the interim agreement in place instead of accepting a bad deal. Dr. Rand Paul (@RandPaul) July 14, 2015 Question: what is the only word on this tweet? Answer: tweet

SOLUTION:
no