A plan may be set in stone.Logical formLearned from16 sentences. A male may see a stone.Logical formLearned from16 sentences. A stone can be stupid.Logical formLearned from16 sentences. A layer of stones may convert (nitrogen oxide).Logical formLearned from16 sentences. Persons can be in a (stone age).Logical formLearned from16 sentences. (Stone cold) can be sober.Logical formLearned from16 sentences. A (stone staircase) can be narrow.Logical formLearned from16 sentences. Stones may be thrown.Logical formLearned from16 sentences. A stone can be magnificent.Logical formLearned from16 sentences. Courses can be constituted-of-or-filled-with stone.Logical formLearned from16 sentences. A stone can be for persons.Logical formLearned from16 sentences. A stone can be uneven.Logical formLearned from16 sentences. Some stones may be unturned.Logical formLearned from16 sentences. Stone can be from a country.Logical formLearned from16 sentences. Stones can be thick.Logical formLearned from16 sentences.