Objects in the image:
category: truck
category: person
category: person
category: person
category: car
category: person
category: truck
category: car
category: traffic light
category: car
category: person
category: person
category: car
category: person

Guessing-game dialogue about one of the objects:
q: person on the fire engine truck?
a: Yes
q: right side?
a: No
q: Is it the middle person (only head seen)?
a: No
q: left side?
a: Yes
q: first guy closer to us?
a: No
q: second one from left?
a: Yes