Objects in the image:
category: bottle
category: sink
category: dog
category: bench
category: bottle
category: bottle
category: bowl
category: bottle
category: toothbrush
category: bottle
category: toilet
category: bench
category: bottle

Guessing-game dialogue about one of the objects:
q: is it dog?
a: No
q: is it on the right?
a: No
q: in the middle?
a: No
q: is it toilet?
a: No
q: is it sink?
a: No
q: is it on sink?
a: No
q: is it on bathtub?
a: No
q: is it a bottle?
a: Yes
q: is it next to toilet?
a: Yes
q: is it blue?
a: No
q: is it green?
a: Yes
q: to the left of the blue bottle?
a: Yes