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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: Yes
q: is he carrying a skateboard?
a: Yes
q: is he carrying green skateboard?
a: No
q: is he carrying blue skateboard?
a: No
q: is he carrying orange skateboard?
a: Yes