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

Guessing-game dialogue about one of the objects:
q: is it traffic light?
a: No
q: is it bus?
a: No
q: is it a vehicle?
a: No
q: is it a person?
a: Yes
q: in the bus?
a: Yes