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

Guessing-game dialogue about one of the objects:
q: is the object a vehicle?
a: No
q: is the object on the ground?
a: Yes
q: is the object a sign?
a: No
q: is the object a person?
a: Yes
q: is that person walking?
a: Yes