A: Which floor are Lucy and Peter on?
B: They are on the first floor.
A: Which floor is Steve on?
B: He is on the second floor.
A: Which floor Linda on?
B: She is on the fourth floor.
A: Which floor is Billy on?
B: He is on the fifth floor.
A: Which floor are Mary and Helen on?
B: They are on the sixth floor.
A: Which floor are John and Bob on?
B: They are in the seventh floor.