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

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 on the left half of the image?
a: No
q: is it the one in the center, guy has right hand on it?
a: Yes