Objects in the image:
category: person
category: person
category: train
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 the train?
a: No
q: is it associated with the train?
a: Yes
q: is it the track?
a: No
q: is it the driver?
a: Yes