Objects in the image:
category: airplane
category: person
category: backpack
category: person
category: truck
category: handbag
category: truck
category: backpack
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it a backpack?
a: No
q: is it an aircraft?
a: No
q: is it a vehicle?
a: Yes
q: is it a white truck way back?
a: No
q: is it a cart on wheels near the aircraft?
a: Yes