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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a tree?
a: No
q: The backpack on someone?
a: Yes
q: 1st guy on the left?
a: No
q: 2nd on the left?
a: No
q: 3rd on the left?
a: No
q: 4th on the left?
a: Yes