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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: Yes
q: is it to the left?
a: No
q: is it white?
a: No
q: is it blue?
a: No
q: does it have 18 on it?
a: Yes