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

Guessing-game dialogue about one of the objects:
q: Is it a big object?
a: No
q: Is it on the sink?
a: No
q: Is it by the tub?
a: No
q: Is it in the shower?
a: No
q: by the shower?
a: No
q: by the toilet?
a: Yes
q: The toilet paper roll?
a: No
q: The handle above the toilet?
a: No
q: The lid on the toilet?
a: No
q: Is it by the bidet?
a: No
q: Is it on the top half of the image?
a: N/A
q: Is the object in the bottom half of the image?
a: Yes
q: Is the object white?
a: Yes
q: Is it the towel by the shower?
a: No
q: Is it the toilet?
a: No
q: Is it the wall behind the toiled and bidet?
a: No
q: And it's not the sink?
a: N/A