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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is a suitcase?
a: No
q: is the train?
a: Yes