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

Guessing-game dialogue about one of the objects:
q: is it a building?
a: No
q: is it on the road/runway?
a: No
q: is it on one of the planes?
a: No
q: is it a vehicle?
a: Yes
q: is it near an airplane?
a: Yes
q: is it behind the plane?
a: Yes