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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person skateboarding?
a: No
q: is he wearing white?
a: No
q: is he on the left?
a: No
q: is he next the the guy in white?
a: No
q: is he behind the guy in white?
a: Yes