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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skis?
a: Yes
q: are the skis on someone wearing red pants?
a: No
q: is it on someone in the group in the front?
a: Yes
q: does the person have a mostly red coat?
a: No
q: is it the skis of the person with the black coat?
a: Yes