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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: No
q: is it the green fire hydrant?
a: No
q: is it a traffic light?
a: Yes
q: the one on top of the fire hydrant?
a: No
q: next to the gas station the one in front?
a: Yes