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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: is it a person?
a: No
q: is it red?
a: No
q: is it a bike?
a: No
q: is it a vehicle?
a: Yes
q: is it a bus?
a: No
q: is it a car?
a: Yes
q: is it the first car by the red light?
a: No