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

Guessing-game dialogue about one of the objects:
q: a car?
a: No
q: a person?
a: Yes
q: in white?
a: No
q: in grey?
a: Yes