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

Guessing-game dialogue about one of the objects:
q: is it fire hydrant?
a: No
q: Is it a vehicle?
a: No
q: is it a person?
a: Yes