A paper may challenge an assumption.Logical formLearned from7 sentences. A person may challenge a conclusion.Logical formLearned from7 sentences. A decision may be challenged in court.Logical formLearned from7 sentences. Certainties may be challenged.Logical formLearned from7 sentences. Lawyers may challenge a sentence.Logical formLearned from7 sentences. Officials may challenge an assertion.Logical formLearned from7 sentences. A (nursing home janitor) may be challenged by a resident.Logical formLearned from7 sentences. Freedom may be challenged.Logical formLearned from7 sentences. A US-president may challenge a company.Logical formLearned from7 sentences. Lawyers may challenge a detention.Logical formLearned from7 sentences. Someone may challenge a right.Logical formLearned from7 sentences. Advertising may be challenged.Logical formLearned from7 sentences. A US-city may challenge a decision.Logical formLearned from7 sentences. Persons may challenge kids.Logical formLearned from7 sentences. Stereotypes may be challenged.Logical formLearned from7 sentences.