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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is in car?
a: Yes
q: is in front blue car?
a: No
q: is in gray car back?
a: Yes
q: i in driver seat?
a: Yes