A study may lack a (control group).Logical formLearned from3 sentences. A component of an armed opposition may lack leadership.Logical formLearned from3 sentences. An album may lack direction.Logical formLearned from3 sentences. A person may lack word.Logical formLearned from3 sentences. A country may lack an (air force).Logical formLearned from3 sentences. Teeth may lack enamel.Logical formLearned from3 sentences. Individuals may lack private insurance.Logical formLearned from3 sentences. A committee may lack credibility.Logical formLearned from3 sentences. Women may lack a strength.Logical formLearned from3 sentences. Leaves may lack petioles.Logical formLearned from3 sentences. A play may lack focus.Logical formLearned from3 sentences. A fungus may lack a stage.Logical formLearned from3 sentences. Teams may lack experience.Logical formLearned from3 sentences. Persons may lack support.Logical formLearned from3 sentences. Ones may lack petioles.Logical formLearned from3 sentences.