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.

Example Input: A small triangle and big triangle are next to each other. A circle runs by and pushes the small triangle. The big triangle chases the circle.
Example Output: Why does the big triangle chase the circle?

Example Input: The triangle roamed around the house.
Example Output: Why was the triangle roaming?

Example Input: Two triangles talk to each other and then hug.
Example Output:
Why?