TASK DEFINITION: In this task, you are given a question, and your task is to predict the context of the question. We assume that someone named X asked the question from Y. The context of the question means the previous situation that led X to ask this question.
PROBLEM: Isn't it really expensive?

SOLUTION: Y has just told X that he/she is thinking of buying a flat in New York.

PROBLEM: Do you regularly attend concerts?

SOLUTION: X wants to know about Y's music preferences.

PROBLEM: Was the airport crowded?

SOLUTION:
Y has just travelled from a different city to meet X.