Objects in the image:
category: skateboard
category: person
category: skateboard
category: person
category: person
category: person
category: person
category: person
category: person
category: skateboard
category: person
category: skateboard
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 it the one ...skating in ring?
a: No
q: is it on left side?
a: No
q: is it in middle?
a: No
q: is it in right side?
a: Yes
q: is it standing on ground?
a: No
q: is it standing with face towards us?
a: Yes
q: is it one of the 4...standing on ring..near flag?
a: No
q: is it in front ..near trees...and flag?
a: Yes
q: is it wearing white shirt and shorts?
a: Yes