Objects in the image:
category: person
category: oven
category: person
category: person
category: pizza
category: pizza
category: pizza

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it food?
a: Yes
q: is it the whole pizza the boy is holding?
a: No
q: is it the slice that the girl is holding?
a: No
q: is it on the tray the boy is holding?
a: No
q: is the girl holding it?
a: No
q: is it behind the girl?
a: Yes