Objects in the image:
category: person
category: backpack
category: chair
category: person
category: person
category: frisbee
category: person
category: person
category: chair
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: is it one in the group?
a: Yes
q: is it sitting?
a: No
q: is it 1st from left?
a: No
q: is it 2nd?
a: No
q: is it 3rd?
a: Yes