Tree may display a hierarchy.Logical formLearned from28 sentences. Hierarchies can be flat.Logical formLearned from28 sentences. Hierarchies can be parallel.Logical formLearned from28 sentences. A hierarchy can be constituted-of-or-filled-with units.Logical formLearned from28 sentences. Run-ins can be with a hierarchy.Logical formLearned from28 sentences. Hierarchy may be attacked.Logical formLearned from28 sentences. A hierarchy may pertain-to an organization.Logical formLearned from28 sentences. A support may pertain-to a hierarchy.Logical formLearned from28 sentences. A hierarchy can be constituted-of-or-filled-with positions.Logical formLearned from28 sentences. A hierarchy can be constituted-of-or-filled-with scales.Logical formLearned from28 sentences. A hierarchy can be static.Logical formLearned from27 sentences. A hierarchy can be constituted-of-or-filled-with relationships.Logical formLearned from27 sentences. A hierarchy can be constituted-of-or-filled-with control.Logical formLearned from27 sentences. Hierarchies may pertain-to persons.Logical formLearned from27 sentences. Figures can be in a hierarchy.Logical formLearned from27 sentences.