A hierarchy may pertain-to a scientist.Logical formLearned from7 sentences. Hierarchies can be spiritual.Logical formLearned from7 sentences. A hierarchy can be metaphysical.Logical formLearned from7 sentences. Social hierarchies can be unjust.Logical formLearned from7 sentences. Hierarchies can be international.Logical formLearned from7 sentences. A hierarchy can be constituted-of-or-filled-with storage.Logical formLearned from7 sentences. Hierarchies can be centralized.Logical formLearned from7 sentences. A hierarchy can be interesting.Logical formLearned from7 sentences. A hierarchy can be constituted-of-or-filled-with boxes.Logical formLearned from7 sentences. Patterns can be constituted-of-or-filled-with hierarchy.Logical formLearned from7 sentences. A (delegation hierarchy) may undergo an operation.Logical formLearned from7 sentences. A hierarchy may pertain-to a model.Logical formLearned from7 sentences. A growth may pertain-to a hierarchy.Logical formLearned from7 sentences. A hierarchy can be constituted-of-or-filled-with roles.Logical formLearned from7 sentences. A hierarchy may undergo a traversal.Logical formLearned from7 sentences.