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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is the person wearing a hat?
a: No
q: Is the person on a skateboard?
a: No
q: Is the person wearing blue?
a: No
q: Is the person wearing a white shirt?
a: No
q: Is the person wearing a black shirt?
a: Yes