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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is a person wearing it?
a: Yes
q: Is a person wearing it on their head?
a: No
q: Is it a jacket?
a: No
q: Is it pants?
a: No
q: Is it skis?
a: Yes
q: Is it the skis worn by the person in the red jacket?
a: No
q: Is it the skis worn by the person in the blue jacket?
a: Yes
q: Is it on the left side of the picture?
a: Yes