Objects in the image:
category: person
category: person
category: train
category: suitcase
category: person
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: No
q: Is it a suitcase?
a: No
q: Is it gray?
a: N/A
q: Is it the train?
a: Yes