Is this a stairway?
Yes, it is.
Is this the first, the second or the third floor?
This is the first floor.
Is this a balcony or a stairway?
This is a balcony.
What's this?
It's a bus station.
What's this?
It's a park.
What's this?
It's a museum.
What's this?
It's a mall.
This is a ___________.
garden
What's this?
It's a stadium.