A surrender can be compulsory.Logical formLearned from7 sentences. Wearings of helmets can be compulsory.Logical formLearned from7 sentences. A sharing can be compulsory.Logical formLearned from7 sentences. Uniforms can be compulsory.Logical formLearned from7 sentences. A (birth control) can be compulsory.Logical formLearned from7 sentences. A medication can be compulsory.Logical formLearned from7 sentences. An (insurance program) can be compulsory.Logical formLearned from7 sentences. An (insurance plan) can be compulsory.Logical formLearned from7 sentences. Units can be compulsory.Logical formLearned from7 sentences. A (licensing regime) can be compulsory.Logical formLearned from7 sentences. A donation can be compulsory.Logical formLearned from7 sentences. Rotations can be compulsory.Logical formLearned from7 sentences. Representation can be compulsory.Logical formLearned from7 sentences. Conditions can be compulsory.Logical formLearned from7 sentences. A drug can be compulsory.Logical formLearned from7 sentences.