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

Guessing-game dialogue about one of the objects:
q: is it the hydrant?
a: No
q: is it a person?
a: No
q: is it a sign?
a: No
q: is it a vehicle?
a: Yes
q: the black van that you can see half of on the right?
a: Yes