A barter can be simple.Logical formLearned from16 sentences. A deed can be simple.Logical formLearned from16 sentences. Guys can be simple.Logical formLearned from16 sentences. A surgery can be simple.Logical formLearned from16 sentences. Persons may live a simple life.Logical formLearned from16 sentences. A concession can be simple.Logical formLearned from16 sentences. (Nursery rhymes) can be simple.Logical formLearned from16 sentences. Interiors can be simple.Logical formLearned from16 sentences. Classroom may sound simple.Logical formLearned from16 sentences. Metallic compounds can be simple.Logical formLearned from16 sentences. Precursors can be simple.Logical formLearned from16 sentences. An arrow can be simple.Logical formLearned from16 sentences. A doll can be simple.Logical formLearned from16 sentences. Courses can be simple.Logical formLearned from16 sentences. A conventional wisdom can be simple.Logical formLearned from16 sentences.