Contractors can be immune from prosecution.Logical formLearned from19 sentences. An immune response can be to a vaccine.Logical formLearned from19 sentences. An immune system may be developed.Logical formLearned from18 sentences. Elements may pertain-to an immune system.Logical formLearned from18 sentences. A (response modifier) can be immune.Logical formLearned from18 sentences. An immune response may undergo an initiation.Logical formLearned from18 sentences. Some proteins of an immune system may promote (tumor growth).Logical formLearned from18 sentences. An immune response can be to a tumor.Logical formLearned from18 sentences. A (protein c5a) may be produced during an immune response to a tumor.Logical formLearned from18 sentences. A cascade can be constituted-of-or-filled-with immune reactions.Logical formLearned from18 sentences. A result may pertain-to an immune system.Logical formLearned from18 sentences. An immaturity may pertain-to an immune system.Logical formLearned from18 sentences. A male can be immune to a virus.Logical formLearned from18 sentences. A difficulty may obtain immune system.Logical formLearned from18 sentences. Immune responses can be inflammatory.Logical formLearned from18 sentences.