A person may lack motivation.Logical formLearned from163 sentences. Articles may lack sources.Logical formLearned from154 sentences. A person may lack sleep.Logical formLearned from153 sentences. A male may lack support.Logical formLearned from148 sentences. A market may lack direction.Logical formLearned from138 sentences. A person may lack skills.Logical formLearned from137 sentences. Persons may lack information.Logical formLearned from135 sentences. A person may lack a courage.Logical formLearned from131 sentences. A male may lack power.Logical formLearned from130 sentences. A male may be lacked.Logical formLearned from120 sentences. A male may lack authority.Logical formLearned from116 sentences. A country may lack a central government.Logical formLearned from115 sentences. Mice may lack a gene.Logical formLearned from114 sentences. Persons may be lacked.Logical formLearned from113 sentences. A person may lack a motivation.Logical formLearned from111 sentences.