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

Guessing-game dialogue about one of the objects:
q: is it in front?
a: No
q: is it person?
a: Yes
q: is it in left?
a: Yes
q: is in backmost?
a: Yes
q: is yellow bus in back?
a: No
q: is front to it black car?
a: No
q: is the person in yellow bus?
a: Yes
q: is he in driver seat?
a: No
q: i in right?
a: No
q: is in back of bus?
a: Yes