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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a rock?
a: No
q: is it a yellow sign?
a: No
q: is it a post?
a: No
q: is it on the top half of the photo?
a: No
q: is it a shadow?
a: No
q: is it on the left half of the photo?
a: Yes
q: is someone wearing it?
a: Yes
q: is it a snowboard?
a: Yes