A female may challenge a will.Logical formLearned from13 sentences. A class may challenge a person.Logical formLearned from13 sentences. A president may challenge a nation.Logical formLearned from13 sentences. A citizenship may be challenged.Logical formLearned from13 sentences. A male may challenge a rule.Logical formLearned from13 sentences. A male may challenge everyone.Logical formLearned from13 sentences. A female may challenge an assumption.Logical formLearned from13 sentences. Findings may challenge theories.Logical formLearned from13 sentences. Claims may be challenged.Logical formLearned from13 sentences. A model may be challenged.Logical formLearned from13 sentences. A ban may be challenged.Logical formLearned from13 sentences. A sufficiency of evidence may be challenged.Logical formLearned from13 sentences. A view may be challenged by a male.Logical formLearned from13 sentences. A federal government may challenge a law.Logical formLearned from13 sentences. A (television ad) may challenge (campaign tactics).Logical formLearned from13 sentences.