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

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 the person in the lead wearing it?
a: Yes
q: is it the red jacket?
a: No
q: is it the backpack?
a: No
q: is it the skis?
a: Yes