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

Guessing-game dialogue about one of the objects:
q: is is the building?
a: No
q: aircraft in middle?
a: No
q: any part of aircraft?
a: No
q: a human being?
a: No
q: is on the left side of picture?
a: Yes
q: is it the ladder close to aircraft?
a: No
q: a pipe attached to aircraft?
a: No
q: is on top of left side?
a: No
q: is it the floor?
a: No
q: is it close to the human being?
a: Yes
q: is it close to the aircraft left side?
a: Yes
q: is it brown in color?
a: No
q: ha sit got wheels?
a: Yes