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

Guessing-game dialogue about one of the objects:
q: is it vehicle?
a: Yes
q: is it bus?
a: No
q: is it car?
a: Yes
q: is it facing us?
a: No
q: is it black?
a: Yes
q: with yellow number plate?
a: Yes