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

Guessing-game dialogue about one of the objects:
q: is it live?
a: No
q: is it on the street?
a: No
q: is it on the building?
a: Yes
q: is it small object?
a: Yes
q: is it on first building?
a: Yes
q: is it traffic light?
a: Yes
q: the are 3 traffic lights. is in one that is really on building?
a: Yes