Complex sentence: However, it is still working and every Wednesday empty TER trains can be seen on it, originating from the Bressuire-Thouars-Saumur line and going to Saintes for maintenance.
Split into simpler sentences: However, it is still working and empty TER trains can be seen on it every Wednesday. Coming from the line Bressuire-Thouars-Saumur and going to Saintes for maintenance.