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

Guessing-game dialogue about one of the objects:
q: Is it alive?
a: No
q: Is it a set of 2?
a: No
q: Is it a backpack?
a: Yes
q: Is it red?
a: Yes
q: Is it being worn by the guy on the far left?
a: Yes