A rivalry may complicate an effort.Logical formLearned from5 sentences. A (lightning rod) can be for rivalries.Logical formLearned from5 sentences. A strategic partnership may replace a rivalry.Logical formLearned from5 sentences. A rivalry may get a boost.Logical formLearned from5 sentences. A rivalry may pertain-to teams.Logical formLearned from5 sentences. A victory can be in a (sibling rivalry).Logical formLearned from5 sentences. Rivalries may undergo an upheaval.Logical formLearned from5 sentences. Rivalries can be after realignment.Logical formLearned from5 sentences. Rivalry can be between a government.Logical formLearned from5 sentences. Rivalry can be between (guerrilla factions).Logical formLearned from5 sentences. Rivalries may presage a struggle.Logical formLearned from5 sentences. An (opposition coalition) may break_up over rivalries.Logical formLearned from5 sentences. A rivalry may date as juniors.Logical formLearned from5 sentences. A film may tell of a rivalry.Logical formLearned from5 sentences. Rivalries can be irrational.Logical formLearned from5 sentences.