Objects in the image:
category: car
category: person
category: clock
category: person
category: traffic light
category: car
category: person
category: person
category: person
category: person
category: car
category: motorcycle

Guessing-game dialogue about one of the objects:
q: is it a  person?
a: No
q: is it  a car?
a: Yes
q: is it black?
a: No
q: is it grey?
a: Yes
q: is it at the left part of the photo?
a: Yes