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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: a bus?
a: Yes
q: the red one?
a: No
q: the 2nd one, white and green?
a: No
q: so the last one, white and blue?
a: Yes