A far west can be rugged.Logical formLearned from7 sentences. (Guerrilla units) may operate in rugged mountains.Logical formLearned from7 sentences. (Border mountains) can be rugged.Logical formLearned from7 sentences. Autonomy can be for a rugged island.Logical formLearned from7 sentences. A valley may be surrounded by rugged mountains.Logical formLearned from7 sentences. A northwest coast can be rugged.Logical formLearned from7 sentences. A south coast can be rugged.Logical formLearned from7 sentences. A (tribal district) can be rugged.Logical formLearned from7 sentences. An event can be rugged.Logical formLearned from7 sentences. Defendings can be rugged.Logical formLearned from7 sentences. A (mountain road) can be rugged.Logical formLearned from6 sentences. A bear can be rugged.Logical formLearned from6 sentences. An (island state) can be rugged.Logical formLearned from6 sentences. A divide can be rugged.Logical formLearned from6 sentences. A performer can be rugged.Logical formLearned from6 sentences.