A classification may be challenged.Logical formLearned from8 sentences. A reality may be challenged.Logical formLearned from8 sentences. A male may challenge a road.Logical formLearned from8 sentences. A president may challenge (world leaders).Logical formLearned from8 sentences. Persons may challenge a team.Logical formLearned from8 sentences. Elements may challenge authority.Logical formLearned from8 sentences. A communion may challenge authority.Logical formLearned from8 sentences. A male may challenge power.Logical formLearned from8 sentences. A female may challenge an order.Logical formLearned from8 sentences. A guard may challenge a male.Logical formLearned from8 sentences. A country may challenge a claim.Logical formLearned from8 sentences. Solutions may challenge (party orthodoxy).Logical formLearned from8 sentences. A US-president may challenge a candor.Logical formLearned from8 sentences. A male may challenge a man.Logical formLearned from8 sentences. Girls may challenge a government with a campaign.Logical formLearned from8 sentences.