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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: Is it one of the two skaters?
a: No
q: is it in white shirt?
a: No
q: is it on back?
a: Yes
q: is it wearing light grey jacket?
a: No
q: is it wearing red?
a: Yes