An immune system may be triggered.Logical formLearned from8 sentences. An immune system may get weak.Logical formLearned from8 sentences. Psoriasis can be a disease of an immune system.Logical formLearned from8 sentences. Contractors may remain immune from law.Logical formLearned from8 sentences. Bacterial infections may take advantage of weakened immune systems.Logical formLearned from8 sentences. Advantage may pertain-to weakened immune systems.Logical formLearned from8 sentences. Billions may pertain-to immune cells.Logical formLearned from8 sentences. (Yi tea) may boost immune system.Logical formLearned from8 sentences. Immune responses can be efficient.Logical formLearned from8 sentences. A phase may pertain-to an immune response.Logical formLearned from8 sentences. An ability may pertain-to immune cells.Logical formLearned from8 sentences. An immune system can be powerful.Logical formLearned from8 sentences. An immune system may undergo exposure.Logical formLearned from8 sentences. An attack can be on an immune system.Logical formLearned from8 sentences. An official can be immune.Logical formLearned from8 sentences.