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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it on the tarmac?
a: Yes
q: is it the plane?
a: No
q: is it on the left of plane?
a: Yes
q: is it a vehicle?
a: Yes
q: is it a baggage carrier?
a: No
q: is it behind the left wing?
a: No
q: is there people beside it?
a: Yes
q: is it the vehicle near plane where people standing on both side?
a: No
q: is it red and yellow truck?
a: N/A
q: is it red and white truck?
a: Yes
q: on the very left under wing?
a: Yes