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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: man with red shirt?
a: No
q: lady before him?
a: No
q: the person with black dress?
a: Yes