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

Guessing-game dialogue about one of the objects:
q: is it the fingers?
a: No
q: is it the toilet?
a: N/A
q: is it the toilet lid?
a: No
q: is it the part where the hands are?
a: N/A
q: is it any part of the toilet?
a: Yes
q: is it the back part?
a: Yes