Is there a bed in the dinig room?
No, there isn't.
Is there a mirror in the bathroom?
Yes, there is.
What is it?
It is a lamp
What is it?
It is a sofa
Where is the microwave?
The microwave is in the kitchen.
Where is the TV?
The TV is in the living room.
Where is your sister?
She's in the living room. She's watching TV.
Where is your brother?
He's in the living room. He's cleaning.
