Objects in the image:
category: bottle
category: hair drier
category: toothbrush
category: toothbrush
category: sink

Guessing-game dialogue about one of the objects:
q: is it the sink or something on it?
a: No
q: is it something on the wall?
a: Yes
q: is it one of the object next to glasses or the glasses itself?
a: Yes
q: is it the glasses?
a: No
q: Is it the one next to it (orange/yellowish)?
a: No
q: is it the green thing or the glass holding the green thing?
a: No
q: is it the cup next to the green thing or something in it?
a: Yes
q: Is it the whole cup?
a: No
q: just to make sure, it's only something inside the cup?
a: Yes
q: is it the toothbrush?
a: Yes