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

Guessing-game dialogue about one of the objects:
q: person / ?
a: No
q: luggage / ?
a: Yes
q: suitcase / ?
a: No
q: instrument case ?
a: No
q: bag being carried?
a: Yes
q: purple backpack on right?
a: No
q: grey backpack on lady  with multicolored shirt?
a: No
q: with lady ?
a: Yes
q: with lady with multicolored shirt?
a: No
q: lady at left edge?
a: No
q: lady  at right with red top?
a: Yes
q: is a person?
a: No
q: is a bag?
a: Yes
q: is it on the trolley?
a: No
q: is it on the ground?
a: No
q: is it on the person?
a: Yes
q: on the right?
a: Yes
q: purple bag??
a: Yes
q: behind her ?
a: No