Somebody may challenge a person.Logical formLearned from18 sentences. A person may challenge assumptions.Logical formLearned from18 sentences. A ruling may be challenged.Logical formLearned from18 sentences. A male may challenge a rule.Logical formLearned from18 sentences. A male may challenge assumptions.Logical formLearned from18 sentences. A film may challenge assumptions.Logical formLearned from18 sentences. Persons may challenge assumptions.Logical formLearned from18 sentences. A person may challenge friends.Logical formLearned from18 sentences. An one may be challenged.Logical formLearned from18 sentences. A male may challenge a conventional wisdom.Logical formLearned from18 sentences. Actions may be challenged.Logical formLearned from18 sentences. Laws may be challenged.Logical formLearned from18 sentences. A case may be challenged.Logical formLearned from18 sentences. A decision may be challenged.Logical formLearned from18 sentences. Agencies may challenge a joint venture.Logical formLearned from18 sentences.