A missile can be rugged.Logical formLearned from6 sentences. Enclaves can be rugged.Logical formLearned from6 sentences. An eastern shore can be rugged.Logical formLearned from6 sentences. A northwest (frontier province) can be rugged.Logical formLearned from6 sentences. A capital can be rugged.Logical formLearned from6 sentences. A (back country) can be rugged.Logical formLearned from6 sentences. A (sea bottom) can be rugged.Logical formLearned from6 sentences. A lumberjack can be rugged.Logical formLearned from6 sentences. Maritime police can be on rugged islands.Logical formLearned from6 sentences. A striker can be rugged.Logical formLearned from6 sentences. A national park can be rugged.Logical formLearned from6 sentences. A flanker can be rugged.Logical formLearned from6 sentences. Opponents can be rugged.Logical formLearned from6 sentences. Roads can be rugged.Logical formLearned from5 sentences. Specifications can be rugged.Logical formLearned from5 sentences.