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: .The United States is raising this unprofessional incident with Russia in the appropriate diplomatic and official channels. 2/2— U.S European Command (@US_EUCOM) April 11, 2015 Question: what is the united states doing Answer: raising this unprofessional incident with russia

SOLUTION: yes

PROBLEM: Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela

SOLUTION: yes

PROBLEM: 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 reveals themselves from the shadows? Answer: kris jenner.

SOLUTION:
no