Students may be challenged.Logical formLearned from139 sentences. A view may be challenged by evidence.Logical formLearned from129 sentences. Credit may be challenged.Logical formLearned from118 sentences. A law may be challenged.Logical formLearned from110 sentences. Authority may be challenged.Logical formLearned from110 sentences. A male may challenge a US-president.Logical formLearned from104 sentences. A male may challenge a decision.Logical formLearned from104 sentences. A male may challenge persons.Logical formLearned from100 sentences. Beliefs may be challenged.Logical formLearned from98 sentences. A country may challenge a country.Logical formLearned from96 sentences. A person may challenge a US-president.Logical formLearned from96 sentences. A male may challenge a president.Logical formLearned from91 sentences. A male may challenge results.Logical formLearned from90 sentences. Someone may challenge a person.Logical formLearned from90 sentences. A policy may be challenged before a judicial branch.Logical formLearned from87 sentences.