A: Are there any chairs in the room?
B: Yes, there are some chairs but there aren't any armchairs.
A: Is there a sofa in the room?
B: Yes, there is a sofa but there isn't a table in the room.
A: Is there a vase on the table?
B: Yes, there is a vase on the table but there aren't any flowers in the vase.
A: Are there any plants in the living room?
B: Yes, there are some plants but there aren't any lamps.