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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: is it on the tracks?
a: Yes
q: can you see a person inside driving it?
a: Yes