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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it bike?
a: No
q: is it car?
a: No
q: is it stoplight?
a: No
q: is it truck?
a: Yes
q: the one with open back on left?
a: Yes