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

Guessing-game dialogue about one of the objects:
q: Does it have wheels?
a: Yes
q: Does it normally have 2 wheels?
a: No
q: Is it brown?
a: No
q: does it have a rack on top?
a: Yes
q: It is a work vehicle?
a: Yes