Cliffs can be constituted-of-or-filled-with rock.Logical formLearned from16 sentences. A person may stand on a cliff.Logical formLearned from16 sentences. A male may fall off a cliff.Logical formLearned from16 sentences. Cliffs can be lofty.Logical formLearned from16 sentences. Cliffs can be bold.Logical formLearned from16 sentences. Persons can be on an edge of a cliff.Logical formLearned from16 sentences. (Cliff communities) can be maritime.Logical formLearned from16 sentences. A male may walk to a cliff.Logical formLearned from16 sentences. Cliffs can be constituted-of-or-filled-with ice.Logical formLearned from16 sentences. An end of a (road map) can be a cliff.Logical formLearned from15 sentences. A male may fall over a cliff.Logical formLearned from15 sentences. (Cliff faces) can be vertical.Logical formLearned from15 sentences. Cliffs can be golden.Logical formLearned from15 sentences. Cliffs can be treacherous.Logical formLearned from15 sentences. A person may fall from a cliff.Logical formLearned from15 sentences.