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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: does it have wheels?
a: No
q: is it on something that has wheels?
a: No
q: is it on a person's back?
a: Yes
q: does it appear to be a sweater?
a: No
q: is it a light grey color?
a: Yes
q: is a woman wearing it?
a: No
q: is a man in the background wearing it?
a: Yes
q: does the man wearing it also wear blue jeans?
a: No
q: is a person?
a: No
q: is a bag?
a: Yes
q: is on the cart?
a: No
q: is the backpack of the white shirt guy?
a: No
q: to the girl?
a: No
q: the man walking to the right?
a: Yes