Objects in the image:
category: car
category: car
category: person
category: car
category: car
category: person
category: car
category: car
category: person
category: car
category: car
category: car
category: car
category: person

Guessing-game dialogue about one of the objects:
q: it is a car?
a: No
q: a sign?
a: No
q: it is someone?
a: Yes
q: in grey?
a: No