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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it vehicle?
a: Yes
q: bus  ??
a: No
q: car in the same lane as the bus in?
a: No
q: is it yellow?
a: Yes