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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in left?
a: No
q: is it  car?
a: Yes
q: i it white?
a: No
q: is it blue?
a: No
q: i in black?
a: No
q: is it front?
a: No
q: Is it in the back?
a: Yes
q: is it alone in silver in backmost?
a: Yes