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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a building?
a: No
q: is it a ski?
a: No
q: is it something a person is wearing?
a: N/A
q: is it a backpack?
a: Yes
q: is it the one the girl in front has on?
a: Yes