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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is he wearing cap?
a: No
q: is he fully visible?
a: No
q: did you see the half circle with something?
a: N/A
q: he is skating?
a: No
q: he is under the skating board?
a: Yes
q: he is standing but not fully visible?
a: Yes