Input (grade 10): The countryside is hilly and there are numerous mountain ranges, like the Rhön, the Westerwald, the Taunus, the Vogelsberg, the Knüll or the Spessart.
Output (grade 10): It is a hilly countryside, the main mountainchains being the Rhön, the Westerwald, the Odenwald, the Taunus and the Spessart.