An elementary education can be compulsory.Logical formLearned from20 sentences. Helmets can be compulsory.Logical formLearned from20 sentences. A person may lead after a compulsory dance.Logical formLearned from20 sentences. Standings can be after compulsory dance.Logical formLearned from20 sentences. An immunization can be compulsory.Logical formLearned from19 sentences. A preferential voting can be compulsory.Logical formLearned from19 sentences. A tax can be compulsory.Logical formLearned from19 sentences. Services can be compulsory.Logical formLearned from19 sentences. An activity can be compulsory.Logical formLearned from19 sentences. Levies can be compulsory.Logical formLearned from19 sentences. A program can be compulsory.Logical formLearned from19 sentences. Some modules can be compulsory.Logical formLearned from19 sentences. A (core module) can be compulsory.Logical formLearned from19 sentences. Reserve can be compulsory.Logical formLearned from19 sentences. A phase can be compulsory.Logical formLearned from19 sentences.