Persons may have a hierarchy.Logical formLearned from27 sentences. A hierarchy can be biological.Logical formLearned from26 sentences. A hierarchy can be constituted-of-or-filled-with groups.Logical formLearned from26 sentences. A hierarchy can be tiered.Logical formLearned from26 sentences. Respect can be to hierarchy.Logical formLearned from26 sentences. A hierarchy can be heavenly.Logical formLearned from26 sentences. A hierarchy can be constituted-of-or-filled-with categories.Logical formLearned from26 sentences. A hierarchy may pertain-to al-qaida.Logical formLearned from26 sentences. A hierarchy can be constituted-of-or-filled-with knowledge.Logical formLearned from25 sentences. A male may rise in a hierarchy.Logical formLearned from25 sentences. A hierarchy can be international.Logical formLearned from25 sentences. A hierarchy can be multilevel.Logical formLearned from25 sentences. A top may pertain-to a military hierarchy.Logical formLearned from25 sentences. Changes can be in a hierarchy.Logical formLearned from25 sentences. A place can be in a social hierarchy.Logical formLearned from25 sentences.