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

Guessing-game dialogue about one of the objects:
q: is it a type of metal?
a: Yes
q: is it a sink?
a: No
q: is it a urinal?
a: Yes
q: the one that sits higher on the left?
a: Yes
q: the whole thing?
a: Yes