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

Guessing-game dialogue about one of the objects:
q: is a bus?
a: No
q: a person?
a: No
q: a car??
a: Yes
q: on the top bridge?
a: Yes