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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they on the left half of the photo?
a: Yes