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

Guessing-game dialogue about one of the objects:
q: is a bag?
a: Yes
q: in the first trolley from right ??
a: No
q: middle trolley?
a: No
q: last trolley?
a: Yes
q: black bag on top?
a: Yes