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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the man closest to us holding a suitcase?
a: Yes