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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they wearing red?
a: Yes
q: the one in front of the line with 21 on his shirt?
a: No
q: the fourth person in line?
a: Yes
q: all of him?
a: Yes