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

Guessing-game dialogue about one of the objects:
q: a person?
a: No
q: there are 3 vehicles on the side of the plane at its back. one of them?
a: Yes
q: starting from left. the big truck?
a: No
q: the one in the middle?
a: No
q: the van kind vehicle?
a: Yes