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

Guessing-game dialogue about one of the objects:
q: it is a person?
a: No
q: it is the thing he stand on?
a: Yes
q: it is red?
a: No
q: it is round?
a: No
q: it is black?
a: Yes
q: it is on the ground?
a: Yes