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

Guessing-game dialogue about one of the objects:
q: is it the sink?
a: No
q: is it on the sink?
a: No
q: is it the toilet?
a: No
q: is it on the toilet?
a: Yes
q: is it a cup?
a: Yes
q: with toothbrush in it?
a: Yes