A country can be immune to a threat of terrorism.Logical formLearned from9 sentences. An alliance can be immune from attack.Logical formLearned from9 sentences. A disease may destroy an immune system.Logical formLearned from9 sentences. An immune system may respond in weightlessness.Logical formLearned from9 sentences. An immune system may be strengthened.Logical formLearned from8 sentences. An immune response can be to an infection.Logical formLearned from8 sentences. An immune system can be powerful.Logical formLearned from8 sentences. Part may pertain-to an adaptive immune system.Logical formLearned from8 sentences. Hosts can be immune.Logical formLearned from8 sentences. Persons can be with immune deficiency.Logical formLearned from8 sentences. A change can be in an immune system.Logical formLearned from8 sentences. An abnormality can be immune.Logical formLearned from8 sentences. Recognition can be by an immune system.Logical formLearned from8 sentences. An immune system may make a mistake.Logical formLearned from8 sentences. A body may mount an immune response.Logical formLearned from8 sentences.