Objects in the image:
category: person
category: car
category: person
category: airplane
category: person

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a part of a plane?
a: No
q: is it a building?
a: No
q: is it a tree?
a: No
q: is it a person?
a: Yes
q: Does this person have an orange book sack?
a: Yes
q: Is it the orange backpack?
a: No
q: is it the person?
a: Yes