TASK DEFINITION: In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.
PROBLEM: Context: The improvised, evolving migrant trail to Europe. After Hungary blocks border, migrants & refugees walk to Croatia Ivan Watson (@IvanCNN) September 16, 2015 Question: who is walking to croatia Answer: rian johnson

SOLUTION: no

PROBLEM: Context: Anna Wintour stares solemnly out her office window. "Excellent." A voice shrills from the room's corner. Kris Jenner emerges from darkness.— Christian (@csweda) March 21, 2014 Question: who reveals themselves from the shadows? Answer: kris jenner.

SOLUTION: yes

PROBLEM: Context: #CHILE fans break through security checkpoint & storm into stadium via pressroom #Chile VS #Spain #worldcup2014— Gustavo (@gustavocnn) June 18, 2014 Question: who are the competing countries in this tweet's worldcup? Answer: daredevil

SOLUTION:
no