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

Guessing-game dialogue about one of the objects:
q: IS it in the room with the toilet?
a: Yes
q: Is it above the toilet?
a: Yes
q: Is it one of the three soap dispensers?
a: No
q: Is it the red/pink thing next to the soap?
a: No
q: Is it one of the two toilet paper rolls next to the soap dispenser with green lettering?
a: No
q: Is it one that ledge with any of those things?
a: No
q: Is it the blue flip-flops on the floor?
a: No
q: IS it the silver thing 8 inches above the toilet?
a: No
q: Is it the silver thing with a thin chain dangling from the middle?
a: No
q: IS it a specific portion of the toilet?
a: No
q: Is it the white thing that the red/pink book(?) is sitting on?
a: No
q: Is it the silver thing directly to the left of the three soap dispensers?
a: No
q: IS it the floor of the bathroom?
a: No
q: Is it part of the door?
a: No
q: Is it in the upper half of the picture?
a: Yes
q: Is it the tray the toilet paper(?) is sitting on?
a: No
q: Is it the silver grip near the corner of the ledge above the toilet?
a: No
q: It IS in that room?
a: Yes
q: Is it the wall in the room?
a: No
q: Is it part of one of the soap dispensers?
a: No
q: Is it what looks to be the corner of a sink?
a: Yes