Objects in the image:
category: skateboard
category: person
category: person
category: skateboard
category: person
category: person
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 ti a person?
a: Yes
q: are the skate boarding?
a: No