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

Guessing-game dialogue about one of the objects:
q: is it in front?
a: No
q: is it person?
a: Yes
q: is it in left?
a: Yes
q: is it sitting?
a: No
q: is in backmost?
a: No
q: Is it in black?
a: No