Clothings can be rugged.Logical formLearned from13 sentences. A base can be rugged.Logical formLearned from13 sentences. A tree can be rugged.Logical formLearned from13 sentences. A (steel construction) can be rugged.Logical formLearned from13 sentences. A mass can be rugged.Logical formLearned from13 sentences. Qualities can be rugged.Logical formLearned from13 sentences. A traditionalist can be rugged.Logical formLearned from13 sentences. A geology can be rugged.Logical formLearned from13 sentences. A bark can be rugged.Logical formLearned from13 sentences. A limb can be rugged.Logical formLearned from13 sentences. Uplands can be rugged.Logical formLearned from13 sentences. A (border zone) can be rugged.Logical formLearned from13 sentences. An everyman can be rugged.Logical formLearned from13 sentences. A (nylon shell) can be rugged.Logical formLearned from13 sentences. Badlands can be rugged.Logical formLearned from13 sentences.