What is it? (the way he is going)
Upstairs
What is it?
A caravan
What is it?
A semi-detached house
What is it?
A roof
What is it?
A cottage
What is it?
A balcony
What is it?
An attic
What is it?
A cellar
What is it? (the way they are going)
Downstairs
What is it?
A bungalow
What is it?
A mansion
What is it?
A block of flats
What is it?
A terraced house
What is it?
A castle
What is it?
A chimney