Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: car
category: person
category: person
category: person
category: person
category: truck
category: snowboard
category: person
category: person
category: person
category: snowboard

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it the truck?
a: No
q: is it the stairs?
a: No
q: is the human wearing/using it?
a: Yes
q: is it on the human standing above the back of the truck?
a: No
q: is it the snow board?
a: Yes
q: is it on the guy that is snowboarding?
a: No
q: is he using the snowboard?
a: Yes