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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: skis ??
a: Yes
q: is the person wearing blue?
a: Yes
q: red ??
a: No
q: white/gray ??
a: No
q: Is it the person in the back at the top of the picture?
a: No
q: Is it the persons skis' that you can't see on the right side behind the woman with the white jacket?
a: No
q: the person behind the chubby kid in red?
a: No
q: is it a person?
a: No
q: skis ??
a: Yes
q: at the front of the picture?
a: Yes
q: the girl with the red bandanna?
a: No
q: man with jeans and black jacket?
a: Yes
q: the whole skis?
a: Yes