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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is a bag?
a: Yes
q: on the right of the center trolley?
a: No
q: on the center?
a: No
q: on the left?
a: Yes
q: is it black?
a: Yes
q: is it before the person?
a: No
q: i can see 2 black bags on the left one of them?
a: Yes
q: 1st from the left?
a: Yes