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

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a firetruck?
a: No
q: is it a person?
a: Yes
q: are they wearing black?
a: Yes
q: are they holding a camera on a tripod?
a: No
q: are they in the back of the group of people?
a: Yes