Objects in the image:
category: train
category: potted plant
category: potted plant

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it the building?
a: No
q: is it he platform?
a: No
q: is it on the train?
a: No
q: is it red?
a: No
q: is it a plant?
a: Yes
q: is it the one closest the camera?
a: No
q: so it is between the building and the front one?
a: Yes