A female may challenge a decision.Logical formLearned from8 sentences. Some (family members) may challenge a command of a fortune.Logical formLearned from8 sentences. A government may challenge a position.Logical formLearned from8 sentences. (Tobacco companies) may challenge findings of an agency.Logical formLearned from8 sentences. A male may challenge a practice.Logical formLearned from8 sentences. A president may be challenged.Logical formLearned from8 sentences. A test may challenge a female.Logical formLearned from8 sentences. Scientists may challenge remarks.Logical formLearned from8 sentences. An anthropologist may challenge an assumption.Logical formLearned from8 sentences. A movement may be challenged.Logical formLearned from8 sentences. Agencies may challenge circumstances.Logical formLearned from8 sentences. A world-city may challenge a country.Logical formLearned from8 sentences. An orthodoxy may be challenged.Logical formLearned from8 sentences. A patent may be challenged.Logical formLearned from8 sentences. A strategy may be challenged.Logical formLearned from8 sentences.