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

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a tower?
a: No
q: is it a person?
a: Yes
q: is he on the train?
a: No
q: is he standing in the middle?
a: No
q: is he touching the train?
a: No