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

Guessing-game dialogue about one of the objects:
q: is it any part of the shower?
a: No
q: is it the sink?
a: No
q: is it ON the sink?
a: No
q: is it the mirror?
a: No
q: the thing hanging on the left of the mirror?
a: No
q: the toothbrush holder on the wall?
a: No
q: the toilet??
a: Yes