Participation can be compulsory.Logical formLearned from57 sentences. An age can be compulsory.Logical formLearned from57 sentences. A conscription can be compulsory.Logical formLearned from56 sentences. A coverage can be compulsory.Logical formLearned from56 sentences. A disclosure can be compulsory.Logical formLearned from56 sentences. A religious education can be compulsory.Logical formLearned from56 sentences. Teaching can be compulsory.Logical formLearned from54 sentences. A contribution can be compulsory.Logical formLearned from53 sentences. Standards can be compulsory.Logical formLearned from52 sentences. Compulsory education can be universal.Logical formLearned from51 sentences. Integration can be compulsory.Logical formLearned from51 sentences. A viewing can be compulsory.Logical formLearned from51 sentences. (Attendance laws) can be compulsory.Logical formLearned from51 sentences. Schooling can be compulsory.Logical formLearned from50 sentences. (School attendance laws) can be compulsory.Logical formLearned from50 sentences.