A rivalry can be permanent.Logical formLearned from8 sentences. (Clan rivalries) can be a challenge.Logical formLearned from8 sentences. A rivalry may pertain-to a sport.Logical formLearned from8 sentences. Rivalries can be among politicians.Logical formLearned from8 sentences. Rivalries can be among candidates.Logical formLearned from8 sentences. A rivalry can be in English football.Logical formLearned from8 sentences. Rivalry can be between countries.Logical formLearned from8 sentences. Questions can be about a rivalry.Logical formLearned from8 sentences. A feature may pertain-to a rivalry.Logical formLearned from8 sentences. A rivalry can be between leaders.Logical formLearned from8 sentences. A rivalry may lead to some wars.Logical formLearned from8 sentences. A rivalry can be for control.Logical formLearned from8 sentences. Abbas can be in a rivalry.Logical formLearned from8 sentences. Rivalries may be inherited from a war.Logical formLearned from8 sentences. Rivalries can be in a city.Logical formLearned from8 sentences.