Objects in the image:
category: toothbrush
category: sink
category: sink
category: cup
category: toothbrush

Guessing-game dialogue about one of the objects:
q: is it something on a wall?
a: Yes
q: is it the window?
a: No
q: is it something in the windowsill?
a: No
q: is it on the same wall as the window?
a: No
q: is it on the same wall as the mirror?
a: Yes
q: is it something that is being reflected in the mirror?
a: No
q: is it the lights above the mirror?
a: No
q: is it the picture of the trees?
a: No
q: is it the shelf?
a: No
q: is it something on the shelf?
a: No
q: is it the sink?
a: Yes
q: is it something on the sink countertop?
a: No
q: is it the sink faucet?
a: N/A