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

Guessing-game dialogue about one of the objects:
q: is it train?
a: No
q: is it sign board?
a: No
q: is it on the bridge in the background?
a: No
q: is it a tree?
a: No
q: is it track?
a: No
q: is it close to train?
a: Yes
q: is it in front of train?
a: No
q: is it signal?
a: No
q: is it a person?
a: Yes
q: is he wearing orange top?
a: No
q: Is it the train?
a: No
q: Is it connected to the train?
a: Yes
q: Is it a part of the train?
a: No
q: Is it the tracks then?
a: No
q: Is it a signal light?
a: No
q: Is it a person lol?
a: Yes
q: I didn't see them at first. Is it the conductor in the front?
a: Yes