Objects in the image:
category: sink
category: toilet
category: toilet

Guessing-game dialogue about one of the objects:
q: is it a door?
a: No
q: is it a light?
a: No
q: is it a toilet?
a: No
q: is it green?
a: No
q: is it in a stall?
a: Yes
q: is it a bar on the wall?
a: No
q: is it above the toilet in the center stall?
a: No