A (mountain town) can be rugged.Logical formLearned from5 sentences. A rugged man can be tall.Logical formLearned from5 sentences. Mountaineers can be rugged.Logical formLearned from5 sentences. A battlefield can be rugged.Logical formLearned from5 sentences. Central highlands can be rugged.Logical formLearned from5 sentences. A folds can be rugged.Logical formLearned from5 sentences. Outdoor activities can be rugged.Logical formLearned from5 sentences. A head can be rugged.Logical formLearned from5 sentences. A system can be rugged.Logical formLearned from5 sentences. Some square miles can be constituted-of-or-filled-with rugged mountains.Logical formLearned from5 sentences. A tundra can be rugged.Logical formLearned from5 sentences. Expanses can be rugged.Logical formLearned from5 sentences. A mercenary can be rugged.Logical formLearned from5 sentences. A borderland can be rugged.Logical formLearned from5 sentences. Speakers can be rugged.Logical formLearned from5 sentences.