A tunnel can be unsound.Logical formLearned from3 sentences. An analysis can be unsound.Logical formLearned from3 sentences. Hundreds can be unsound.Logical formLearned from3 sentences. Pits can be unsound.Logical formLearned from3 sentences. Tests can be unsound.Logical formLearned from3 sentences. Articles can be unsound.Logical formLearned from3 sentences. A situation can be unsound.Logical formLearned from3 sentences. A complaint can be unsound.Logical formLearned from3 sentences. A mother can be unsound.Logical formLearned from3 sentences. Some arguments can be unsound.Logical formLearned from3 sentences. Arguments can be unsound.Logical formLearned from3 sentences. Conditions can be unsound.Logical formLearned from3 sentences. A reason can be unsound.Logical formLearned from3 sentences. A tree can be unsound.Logical formLearned from3 sentences. A constitutional interpretation can be unsound.Logical formLearned from3 sentences.