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

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a light?
a: No
q: is it a window?
a: No
q: is it blue?
a: No
q: is it a cable?
a: No
q: is it on the ground?
a: No
q: is it inside the train?
a: Yes
q: is it a person?
a: Yes