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

Guessing-game dialogue about one of the objects:
q: is it white?
a: N/A
q: the mirror?
a: No
q: the towel?
a: No
q: the window?
a: No
q: the trash can?
a: No
q: is it on the ground?
a: N/A
q: is it white?
a: Yes
q: is it toilet?
a: No
q: is it on flush tank?
a: No
q: is it sink?
a: Yes
q: the one beneath mirror?
a: Yes