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

Guessing-game dialogue about one of the objects:
q: is it a bus?
a: No
q: is it a bike?
a: No
q: is it someone on a bike?
a: No
q: is it a vehicle?
a: No
q: is it a flag?
a: No
q: is it a building?
a: No
q: is it a light post?
a: No
q: is it a traffic light?
a: Yes
q: is it the top one?
a: No
q: does it have 2 green lights next to one another?
a: No
q: so it is under a green light?
a: Yes