Objects in the image:
category: dining table
category: pizza
category: sandwich
category: pizza

Guessing-game dialogue about one of the objects:
q: is it pizza?
a: Yes
q: the whole slice?
a: Yes
q: the triangular slice in the middle?
a: No
q: is it an ingredient on the pizza?
a: No
q: so it's the pizza slice in the middle of the plate?
a: No
q: on the left?
a: Yes