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

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a vehicle?
a: Yes
q: the truck in front?
a: No
q: the trailer attached to the truck?
a: No
q: car directly behind the plane?
a: Yes