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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a board?
a: No
q: is it skis?
a: No
q: is it something the guy is wearing?
a: No
q: is it something behind him?
a: Yes
q: is it a bag?
a: Yes
q: is it on a person in red?
a: Yes