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

Guessing-game dialogue about one of the objects:
q: is a bus?
a: Yes
q: the big one in the front?
a: Yes