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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: yellow pants on?
a: No
q: blue pants on?
a: No
q: leader of the line?
a: No
q: last in line?
a: Yes