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

Guessing-game dialogue about one of the objects:
q: toilet ??
a: No
q: sink ??
a: No
q: same height as sink?
a: No
q: a cup?
a: Yes
q: top of image?
a: Yes