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

Guessing-game dialogue about one of the objects:
q: is it toilet?
a: No
q: is it sink?
a: No
q: Is it on the ledge above the toilet?
a: Yes
q: is it brush?
a: No
q: is it blue thing?
a: Yes