Objects in the image:
category: person
category: skateboard
category: person
category: person
category: skateboard
category: skateboard
category: backpack
category: person
category: skateboard
category: person
category: person
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 he on a skateboard?
a: No
q: Can his face be seen?
a: No
q: Is he far?
a: No
q: Is he wearing a helmet?
a: Yes
q: Is the helmet black with yellow markings?
a: Yes