Rivalries may be impeded.Logical formLearned from8 sentences. A rivalry can be with a brother.Logical formLearned from8 sentences. Rivalries can be between (member states).Logical formLearned from8 sentences. A rivalry can be intense in a country.Logical formLearned from8 sentences. A rivalry may remain intense.Logical formLearned from8 sentences. A rivalry can be between (photo companies).Logical formLearned from8 sentences. A phase can be in a rivalry.Logical formLearned from8 sentences. A rivalry can be in a US-city.Logical formLearned from8 sentences. A rivalry can be between founders of some companies.Logical formLearned from8 sentences. A rivalry can be between families.Logical formLearned from8 sentences. A rivalry can be between conservatives.Logical formLearned from8 sentences. A rivalry can be between a majority.Logical formLearned from8 sentences. An impact may pertain-to a rivalry.Logical formLearned from8 sentences. Rivalries can be persistent.Logical formLearned from8 sentences. A rivalry can be between a show-biz-star.Logical formLearned from8 sentences.