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: are they wearing black?
a: No
q: do they have a red backpack?
a: No
q: are they wearing a blue coat?
a: Yes