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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: The horse driver?
a: No
q: The person in pink right behind, facing back?
a: Yes