What are they?
They are stairs.
What are they?
They are leaves.
What is it?
It is a wall.
What is it?
It is a chimney.
What is it?
It's a window.
What is it?
It is a mat.
What are they?
They are trees.
What is it?
It is a roof
What is it?
It is grass
What is it?
It is a basement
What is it?
It's a door.
What is it?
It is a balcony.