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

Guessing-game dialogue about one of the objects:
q: is it toilet?
a: No
q: is it sink?
a: No
q: is it tap?
a: No
q: is it tile?
a: No
q: is it white in color?
a: Yes
q: is it something on sink?
a: Yes
q: is it toothpaste?
a: No
q: is it toothbrush?
a: Yes