Objects in the image:
category: bicycle
category: person
category: backpack
category: car
category: traffic light
category: person
category: traffic light
category: person
category: bicycle
category: car
category: traffic light
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a car?
a: No
q: a bike? .?
a: No
q: traffic light then?
a: Yes
q: the one on top?
a: Yes