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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a plane?
a: No
q: is it something worn by the people?
a: Yes
q: is it the propeller of other plane?
a: No
q: is it trees?
a: No
q: is it pilot?
a: No
q: is it wheel?
a: Yes
q: is a person?
a: No
q: is a plane?
a: No
q: is a bag?
a: Yes
q: american flag bag?
a: No
q: a black bag?
a: Yes
q: held by the guy on the stairs?
a: Yes