This is an...
Elevator.
It is safe to jump on an elevator?
No, it is not safe.
What is this?
it's a ladder/stair.
What is it?
This is an escalator.
Is it okay to play with the elevator buttons?
No, is not good.
What is happening?
The man is pressing the elevator buttons.
You should dance in the elevator?
No, it's not safe!
What is happening?
He is getting out of the elevator.
What place is this?
A shopping mall.
