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: I have cerebral palsy #iamapreexistingcondition I deserve health care Casey Green (@caseylgreen09) May 4, 2017 Question: what is it that casey has? Answer: cerebral palsy

SOLUTION: yes

PROBLEM: Context: Bill O'Reilly before Trump got into the race.Bill O'Reilly after the election. southpaw (@nycsouthpaw) December 21, 2016 Question: who got into the race? Answer: trump

SOLUTION: yes

PROBLEM: Context: #saopaulo #worldcup #naovaitercopa protest unveils huge banner from overpass - in English. Ben Tavener (@BenTavener) April 30, 2014 Question: who is having lunch? Answer: evacuated passengers

SOLUTION:
no