Persons can be immune to a plague.Logical formLearned from6 sentences. Mice can be immune to a disease.Logical formLearned from6 sentences. Stress may undermine an immune system.Logical formLearned from6 sentences. Decline can be in health of an immune system.Logical formLearned from6 sentences. Amounts may boost an immune system.Logical formLearned from6 sentences. An immune system may accompany agings.Logical formLearned from6 sentences. Cells may be destroyed by an immune system.Logical formLearned from6 sentences. A US-president can be immune to criticism.Logical formLearned from6 sentences. An immune system can be after age.Logical formLearned from6 sentences. A person can be immune from criticism.Logical formLearned from6 sentences. Stress may affect an immune system.Logical formLearned from6 sentences. A picture may show an immune response.Logical formLearned from6 sentences. A person can be immune to erosions of margins.Logical formLearned from6 sentences. A cloud may send an immune system.Logical formLearned from6 sentences. (Stealth aircraft) can be immune to (radar detection).Logical formLearned from6 sentences.