Objects in the image:
category: bus
category: bus
category: person

Guessing-game dialogue about one of the objects:
q: is it a bus?
a: No
q: is it the ground?
a: No
q: is it a tree?
a: No
q: is it the sky?
a: No
q: is it something on the bus?
a: No
q: is it the fence?
a: No
q: is it the dark marks on the ground?
a: No
q: is it a person?
a: Yes