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 in front?
a: No
q: is it person?
a: Yes
q: is it in left?
a: No
q: is it right?
a: Yes
q: is it front one?
a: Yes