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

Guessing-game dialogue about one of the objects:
q: is it a bus?
a: Yes
q: is it blue?
a: No
q: is it the back one?
a: No
q: behind the first one?
a: Yes