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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: snowboard ??
a: No
q: ski ??
a: Yes
q: left one?
a: Yes