Objects in the image:
category: suitcase
category: car
category: truck
category: person
category: train
category: truck
category: car
category: person
category: car
category: person
category: truck
category: car
category: person
category: truck
category: car
category: suitcase
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it train?
a: No
q: is it car?
a: Yes
q: is it leftmost pick up truck?
a: N/A
q: is it behind leftmost car?
a: No
q: is it behind Person in white shirt?
a: Yes