A middle may pertain-to a rivalry.Logical formLearned from16 sentences. Rivalries can be among leaders.Logical formLearned from16 sentences. A rivalry can be with a neighbor.Logical formLearned from16 sentences. A height may pertain-to a rivalry.Logical formLearned from16 sentences. A rivalry can be with a political-leader.Logical formLearned from16 sentences. Rivalry can be in a region.Logical formLearned from16 sentences. An election can be fraught with rivalries.Logical formLearned from16 sentences. A rivalry can be for influence.Logical formLearned from16 sentences. A rivalry can be between nations.Logical formLearned from16 sentences. Rivalry may erupt.Logical formLearned from16 sentences. A rivalry can be for ages.Logical formLearned from15 sentences. Rivalry can be for power.Logical formLearned from15 sentences. A rivalry can be between himself.Logical formLearned from15 sentences. A rivalry can be from a brand.Logical formLearned from15 sentences. Rivalries can be common.Logical formLearned from15 sentences.