A football can be rugged.Logical formLearned from6 sentences. A practice can be rugged.Logical formLearned from6 sentences. Computers can be rugged.Logical formLearned from6 sentences. A circuit can be rugged.Logical formLearned from6 sentences. A destination can be rugged.Logical formLearned from6 sentences. A clan can be rugged.Logical formLearned from6 sentences. An outdoor life can be rugged.Logical formLearned from6 sentences. A mountain can be rugged.Logical formLearned from6 sentences. A rocky coast can be rugged.Logical formLearned from6 sentences. Tools can be rugged.Logical formLearned from6 sentences. Heroes can be rugged.Logical formLearned from6 sentences. A method can be rugged.Logical formLearned from6 sentences. Courses can be rugged.Logical formLearned from6 sentences. A (frontier area) can be rugged.Logical formLearned from6 sentences. A leading man can be rugged.Logical formLearned from6 sentences.