Anchor: Metal supports make a repeating X shape along the walls of the station.
Entailed: The walls are composed of X shaped braces to support the building.
Contradiction: Wooden T posts along the walls support the station.
Contradiction: Metal is the cheaper and lighter material to use as support.
Contradiction: The station walls have nothing along the front of them.
Contradiction: wood is the only support
Contradiction: Wooden beams form the walls of the station