A rivalry may last into a century.Logical formLearned from8 sentences. A match may pertain-to a rivalry.Logical formLearned from8 sentences. Talk may pertain-to a rivalry.Logical formLearned from8 sentences. Rivalries may be flared.Logical formLearned from8 sentences. A person may develop a rivalry.Logical formLearned from8 sentences. A rivalry can be between (soccer teams).Logical formLearned from8 sentences. A rivalry may change.Logical formLearned from8 sentences. A rivalry can be between clans.Logical formLearned from8 sentences. A male may have rivalries.Logical formLearned from8 sentences. Potential can be for rivalry.Logical formLearned from8 sentences. A male may enjoy a rivalry.Logical formLearned from8 sentences. A rivalry may pertain-to a nation.Logical formLearned from8 sentences. Rivalries can be within a community.Logical formLearned from8 sentences. A rivalry can be for supremacy.Logical formLearned from8 sentences. A rivalry can be bipolar.Logical formLearned from8 sentences.