A plan can be mandatory.Logical formLearned from15 sentences. An (union membership) can be mandatory.Logical formLearned from15 sentences. A 8-count can be mandatory.Logical formLearned from15 sentences. A (condom use) can be mandatory.Logical formLearned from15 sentences. A medical examination can be mandatory.Logical formLearned from15 sentences. A permit can be mandatory.Logical formLearned from14 sentences. Methods can be mandatory.Logical formLearned from14 sentences. An ordinance can be mandatory.Logical formLearned from14 sentences. A law can be mandatory.Logical formLearned from14 sentences. Instruction can be mandatory.Logical formLearned from14 sentences. Dialing can be mandatory.Logical formLearned from14 sentences. (Redemption fees) can be mandatory.Logical formLearned from14 sentences. A copy can be mandatory.Logical formLearned from14 sentences. A search can be mandatory.Logical formLearned from14 sentences. A (training requirement) can be mandatory.Logical formLearned from14 sentences.