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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: fire truck?
a: Yes
q: the one on the left?
a: No