Objects in the image:
category: person
category: person
category: skateboard
category: person
category: person
category: person
category: skateboard
category: person
category: person
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 the skateboarding?
a: No
q: are they standing behind the fence?
a: Yes
q: are they behind the sign?
a: Yes
q: can you see their head?
a: Yes