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

Guessing-game dialogue about one of the objects:
q: Is it living?
a: Yes
q: Is it in the back half of the line?
a: No
q: Are they in the line?
a: Yes
q: Are they first person in the line?
a: No
q: Are they the second person in the line?
a: No
q: Are they the third person in the line?
a: Yes