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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a tree?
a: No
q: is it one of the poles with wires passing through it?
a: No
q: Is it a skating instrument?
a: Yes
q: is it a skateboard in legs?
a: Yes
q: is it the skate board of person in red in foreground?
a: Yes