Objects in the image:
category: car
category: person
category: handbag
category: car
category: car
category: car
category: backpack
category: person
category: car
category: car
category: car
category: person
category: suitcase
category: truck
category: car

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it luggage?
a: No
q: is it a bag?
a: No
q: is it car?
a: Yes
q: red ??
a: No
q: right behind peoples heads?
a: No
q: behind that car?
a: No
q: silver car behind red truck?
a: No
q: one behind that?
a: Yes