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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: is it a clock?
a: No
q: is it in the background?
a: No
q: is it something a person is wearing?
a: Yes
q: is it a bag of some sort?
a: Yes
q: is it the backpack on the person wearing a red sweater?
a: No
q: is it the red backpack on the person in blue coat?
a: No
q: is it the purse the person closest to us is wearing?
a: No
q: is it a backpack?
a: Yes
q: the one on the guy on the right side of picture?
a: Yes