Objects in the image:
category: person
category: person
category: frisbee
category: boat
category: person
category: person
category: person
category: person
category: airplane
category: person
category: airplane
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they close to the boat?
a: No
q: are they sitting on the white line?
a: Yes
q: are they wearing orange?
a: No
q: are they in the middle wearing green?
a: No
q: is it the person next to them wearing black?
a: Yes