Objects in the image:
category: person
category: skateboard
category: person
category: person
category: skateboard
category: skateboard
category: person
category: skateboard
category: person
category: person
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: Boy in blue shirt, green helmet?
a: No
q: Guy in black pants on skateboard?
a: No
q: Is person on left side of image?
a: No
q: Is person behind guy in black pants?
a: Yes
q: Crouching in red shirt?
a: Yes