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

Guessing-game dialogue about one of the objects:
q: is a human?
a: Yes
q: is he in red jacket?
a: No
q: near to him with yellow?
a: No
q: the one under the wings of plane?
a: N/A
q: one man sitting in a stand?
a: No
q: is he near to the plane at forefront?
a: Yes
q: is there a man standing near to the sitting man on stand?
a: Yes