What is this?
window
What is this?
Door
Is there a window in the room?
Yes
What is this?
Computer
What is this?
Chair
Is there a computer in the room?
Yes
What is this?
Clock
What is this?
Sofa
Is there a table in the room?
Yes
What is this?
Bed
Are there chairs in the room?
Yes
What is this?
Table
Is there a sofa in the room?
No
Is there a Clock in the room?
No