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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a part of the train?
a: Yes
q: is it on the right side?
a: Yes
q: is it the train?
a: Yes
q: the whole thing?
a: Yes