An (id card scheme) can be compulsory.Logical formLearned from7 sentences. A monopoly can be compulsory.Logical formLearned from7 sentences. A day can be compulsory.Logical formLearned from7 sentences. A compulsory license can be for pairing a song.Logical formLearned from7 sentences. A registration can be compulsory.Logical formLearned from7 sentences. Attendance may be made compulsory.Logical formLearned from7 sentences. (Drug rehabilitation centers) can be compulsory.Logical formLearned from7 sentences. (Health insurance) can be compulsory.Logical formLearned from7 sentences. A spending can be compulsory.Logical formLearned from7 sentences. A country may have some years of compulsory education.Logical formLearned from7 sentences. Military service can be compulsory in a country.Logical formLearned from7 sentences. A (sterilization law) can be compulsory.Logical formLearned from7 sentences. A (blood donation) can be compulsory.Logical formLearned from7 sentences. Movements can be compulsory.Logical formLearned from7 sentences. Processions can be compulsory.Logical formLearned from7 sentences.