A number of persons may challenge actions.Logical formLearned from9 sentences. Unions may challenge a government.Logical formLearned from9 sentences. Parties may challenge a neutrality.Logical formLearned from9 sentences. Opinions may be challenged.Logical formLearned from8 sentences. A male may challenge a charge.Logical formLearned from8 sentences. A female may challenge assumptions.Logical formLearned from8 sentences. A constitutionality may be challenged.Logical formLearned from8 sentences. Others may challenge a view.Logical formLearned from8 sentences. A male may be challenged in a primary.Logical formLearned from8 sentences. A city may be challenged.Logical formLearned from8 sentences. A concept may challenge an orthodoxy.Logical formLearned from8 sentences. A conventional wisdom may be challenged.Logical formLearned from8 sentences. History may be challenged.Logical formLearned from8 sentences. Notions may be challenged.Logical formLearned from8 sentences. A person may challenge a bill.Logical formLearned from8 sentences.