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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a ski?
a: No
q: is it a tree?
a: No
q: is it snow?
a: No
q: is it being held?
a: No
q: is it the sky?
a: No
q: is it a mountain?
a: No
q: is it being worn?
a: No
q: is it a bag?
a: Yes
q: is it orange?
a: No
q: is it greyish?
a: No
q: is it on the person in blue pants?
a: No
q: on the person in the red jacket?
a: No
q: on the person 4th away from the camera?
a: No
q: person 5th away?
a: No
q: 3rd away?
a: Yes
q: is it diagonal and in front of the blue pants?
a: Yes