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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: No
q: is it alive?
a: No
q: is it a sign?
a: No
q: is it red and white?
a: No
q: is it gray?
a: No
q: does it light up?
a: Yes