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

Guessing-game dialogue about one of the objects:
q: is it toilet?
a: No
q: is it curtain?
a: No
q: is it drawers?
a: No
q: is it fish floor mat?
a: No
q: is it the wash basin bowl?
a: No
q: is it something on the flush?
a: Yes
q: is it container of brushes?
a: N/A
q: is the bottom of the object blue?
a: No
q: is it placed on the flush tank?
a: Yes
q: is it on the ground?
a: No
q: is it on the toilet?
a: Yes
q: is it all the toothbrushes?
a: No
q: is it a single toothbrush?
a: Yes
q: Is it the leftmost white one?
a: No
q: is it the rightmost one that's yellow?
a: No
q: Is it the second one from the right (white/blue)?
a: Yes