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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it giving out steam?
a: Yes
q: is it black with a little red border at the bottom?
a: Yes