instruction:
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.
question:
A small triangle knocks on the door. A circle opens the door and the triangle begins to argue with the circle. After a little while, they nod and then hug each other.
answer:
Why do they end up hugging?


question:
The circle nods at the triangle.
answer:
Why?


question:
A circle is continually poking the small triangle. The small triangle punches the circle.
answer:

Why does the triangle do this?