Objects in the image:
category: person
category: skis
category: person

Guessing-game dialogue about one of the objects:
q: is it the person? in front?
a: No
q: is it a person?
a: No
q: is it attached to a person?
a: Yes
q: is it a ski?
a: Yes
q: on the boy wearing red?
a: Yes
q: Is it on the left side of the picture?
a: Yes
q: Is it on his right foot?
a: Yes