In this task, you will be given a short story or summary of a situation which is called a premise. Your task is to generate a question based on the given premise. The generated question (i) must be unambiguous, (ii) must be relevant to the premise, (iii) should require commonsense reasoning to get answered. You should not use any outside knowledge to generate the question.

Input: Consider Input: A triangle knocks on the door and the circle inside the house starts moving quickly towards the door.

Output: Why?


Input: Consider Input: The circle opens the door for the big triangle.

Output: Why does the circle do this?


Input: Consider Input: A circle and a small triangle are strolling together.


Output: Why?