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

Guessing-game dialogue about one of the objects:
q: it is a train?
a: No
q: it is a train track?
a: No
q: it is a red color?
a: No
q: Is it the sign that says bs27 on it?
a: No
q: it is a building?
a: No