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: This is what dauntless leadership looks like. Thank you, @GovernorVA—proud to call you a friend. -H Hillary Clinton (@HillaryClinton) July 23, 2016 Question: who does hillary clinton call friend? Answer: governor of va

SOLUTION: yes

PROBLEM: Context: Crowd joins choir at #MikeBrown's funeral, singing & dancing to hymn, ""Every Praise." Eliott C. McLaughlin (@EliottCNN) August 25, 2014 Question: what knocked a house off its foundation? Answer: a mudslide

SOLUTION: no

PROBLEM: Context: In my telephone conversation with Merkel, Hollande and Putin I stressed that the situation around Debaltseve was in breach of Minsk accords.— Петро Порошенко (@poroshenko) February 19, 2015 Question: what was the main complaint issues in these  telephone conversations? Answer: a breach of the minsk accords

SOLUTION:
yes