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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a person?
a: Yes
q: inside a bus?
a: No
q: a poster image?
a: Yes
q: the girl in front?
a: No
q: the man on the left bus in the back?
a: Yes