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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something person is wearing or holding?
a: Yes
q: is it a skate board?
a: Yes
q: is it the stick?
a: No
q: is it a glove?
a: No
q: is it the one with the person wearing purple?
a: No
q: person wearing red jacket and red helmet?
a: No
q: is the person with the bag?
a: No
q: is the person wearing black?
a: Yes
q: is he with the person wearing red?
a: Yes