Objects in the image:
category: truck
category: car
category: person
category: person
category: person
category: car
category: bus
category: person
category: person
category: bicycle
category: truck
category: truck
category: car
category: car
category: car
category: stop sign

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: a vehicle?
a: Yes
q: bicycle ??
a: Yes
q: in the front of truck?
a: Yes