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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the skater?
a: No
q: are they seated behind?
a: No
q: are they wearing black?
a: Yes
q: black with white logo on back?
a: Yes