A rivalry may pertain-to a sports-celebrity.Logical formLearned from11 sentences. Rivalries can be vicious.Logical formLearned from11 sentences. A rivalry can be intercollegiate.Logical formLearned from11 sentences. A source may pertain-to a rivalry.Logical formLearned from11 sentences. Rivalries can be romantic.Logical formLearned from11 sentences. A rivalry can be murderous.Logical formLearned from11 sentences. A rivalry can be between a ruling.Logical formLearned from11 sentences. A rivalry can be hostile.Logical formLearned from11 sentences. A (football rivalry) can be between a country.Logical formLearned from11 sentences. Rivalries can be between countries.Logical formLearned from11 sentences. A blow can be in a rivalry.Logical formLearned from11 sentences. A win can be in a rivalry.Logical formLearned from11 sentences. A rivalry may remain strong.Logical formLearned from11 sentences. A rivalry can be with a president.Logical formLearned from11 sentences. An uprising may open_up rivalries.Logical formLearned from11 sentences.