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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they bent over a skateboard?
a: No
q: Are they sitting down?
a: Yes
q: Wearing a yellow helmet?
a: Yes