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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the plane?
a: No
q: Is a person wearing it?
a: Yes
q: Is it the person in the foreground?
a: No
q: Is the man pulling the trolley wearing it?
a: No
q: Is it a bag?
a: Yes
q: Is it black?
a: Yes