Objects in the image:
category: skateboard
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they on the background?
a: No
q: is it the one in the green shirt riding a skateboard?
a: Yes
q: Is the shaded area the whole person?
a: Yes