Objects in the image:
category: car
category: traffic light
category: fire hydrant
category: person
category: car
category: car
category: clock
category: person
category: traffic light
category: car
category: car
category: person
category: car
category: car

Guessing-game dialogue about one of the objects:
q: is it traffic light?
a: No
q: is it green?
a: No
q: is it clock?
a: No
q: is it car?
a: Yes
q: in the right side of the picture?
a: No
q: in between two traffic light posts?
a: Yes