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

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a building?
a: No
q: is it a train sign?
a: No
q: is it a train track?
a: No
q: is it a tree?
a: No
q: is it a person on a bench?
a: No
q: is it part of the train station structure?
a: No
q: is it made of metal?
a: No
q: is it a person?
a: Yes
q: is the person on the train?
a: No
q: is the person extremely small at the far end of the station?
a: Yes