A rivalry can be revived.Logical formLearned from6 sentences. An era may pertain-to a rivalry.Logical formLearned from6 sentences. Rivalries can be in history.Logical formLearned from6 sentences. A rivalry can be in tennis.Logical formLearned from6 sentences. Rivalry can be for leadership.Logical formLearned from6 sentences. A rivalry can be between some institutions.Logical formLearned from6 sentences. A rivalry can be palpable.Logical formLearned from6 sentences. An atmosphere can be constituted-of-or-filled-with rivalry.Logical formLearned from6 sentences. Rivalries can be pervasive.Logical formLearned from6 sentences. Rivalries can be between peoples of nations.Logical formLearned from6 sentences. A rivalry can be communal.Logical formLearned from6 sentences. A pattern can be constituted-of-or-filled-with rivalry.Logical formLearned from6 sentences. A rivalry can be uneasy.Logical formLearned from6 sentences. Rivalries can be jealous.Logical formLearned from6 sentences. A rivalry can be fractious.Logical formLearned from6 sentences.