Norms can be compulsory.Logical formLearned from3 sentences. Compulsory retirement can be from office.Logical formLearned from3 sentences. (School attendance) can be compulsory from ages.Logical formLearned from3 sentences. A (trade unionism) can be compulsory.Logical formLearned from3 sentences. Rules can be constituted-of-or-filled-with compulsory sandhis.Logical formLearned from3 sentences. An (old-age insurance) can be compulsory.Logical formLearned from3 sentences. Compulsory education can be unknown.Logical formLearned from3 sentences. Membership can be compulsory for a male.Logical formLearned from3 sentences. A watching can be compulsory.Logical formLearned from3 sentences. A (school uniform) can be compulsory.Logical formLearned from3 sentences. (Automobile insurance) can be compulsory.Logical formLearned from3 sentences. Compulsory retirement can be at age.Logical formLearned from3 sentences. Seatbelts can be compulsory.Logical formLearned from3 sentences. Proper education can be compulsory.Logical formLearned from3 sentences. A carriage can be compulsory.Logical formLearned from3 sentences.