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

Guessing-game dialogue about one of the objects:
q: Is it a vehicle?
a: No
q: Is it a building?
a: No
q: Is it a sign?
a: No
q: Is it a fence?
a: No
q: Is it in the background?
a: No
q: Is it on the ground?
a: No
q: Is it black?
a: Yes