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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a bus?
a: Yes
q: is it the bus in the front?
a: No
q: the bus on the back left?
a: No
q: bus next to the building?
a: Yes