Objects in the image:
category: book
category: bottle
category: toilet
category: cup

Guessing-game dialogue about one of the objects:
q: is it something in the tub?
a: Yes
q: the green thing on left?
a: No
q: is it on the tub?
a: Yes
q: the white cup?
a: No
q: the green bottle on right?
a: Yes