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

Guessing-game dialogue about one of the objects:
q: is it a bus?
a: No
q: is it a person?
a: Yes
q: is this person on a bus?
a: No
q: is he on a vehicle?
a: No
q: is his head visible?
a: Yes