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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a person driving?
a: No
q: is the person in a car?
a: No
q: is the person alone?
a: Yes