A hierarchy may pertain-to a world-city.Logical formLearned from96 sentences. A level can be in a hierarchy.Logical formLearned from93 sentences. A hierarchy can be formal.Logical formLearned from92 sentences. A hierarchy can be republican.Logical formLearned from91 sentences. A hierarchy can be constituted-of-or-filled-with values.Logical formLearned from89 sentences. Hierarchies can be complex.Logical formLearned from88 sentences. A hierarchy can be feudal.Logical formLearned from84 sentences. A hierarchy can be simple.Logical formLearned from83 sentences. A hierarchy can be global.Logical formLearned from82 sentences. A hierarchy can be male.Logical formLearned from81 sentences. A hierarchy can be constituted-of-or-filled-with classes.Logical formLearned from81 sentences. A hierarchy can be logical.Logical formLearned from75 sentences. Number can be in a hierarchy.Logical formLearned from74 sentences. A part may pertain-to a hierarchy.Logical formLearned from73 sentences. Hierarchies can be rigid.Logical formLearned from72 sentences.