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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it the cop car?
a: No
q: is it the white car behind it?
a: Yes