A redistribution can be compulsory.Logical formLearned from6 sentences. (Tutorial attendance) can be compulsory.Logical formLearned from6 sentences. A language can be compulsory in schools.Logical formLearned from6 sentences. A fieldwork can be compulsory.Logical formLearned from6 sentences. An (attendance requirement) can be compulsory.Logical formLearned from6 sentences. A number can be compulsory.Logical formLearned from6 sentences. A method can be compulsory.Logical formLearned from6 sentences. Enrollment can be compulsory.Logical formLearned from6 sentences. Employment can be compulsory.Logical formLearned from6 sentences. A (work experience) can be compulsory.Logical formLearned from6 sentences. A behavior can be compulsory.Logical formLearned from6 sentences. A (sterilization program) can be compulsory.Logical formLearned from6 sentences. Textbooks can be compulsory.Logical formLearned from6 sentences. (Seat belts) can be compulsory.Logical formLearned from6 sentences. A song can be compulsory.Logical formLearned from6 sentences.