A production may pertain-to an immune system.Logical formLearned from9 sentences. An immune system can be capable of fighting bacterial infection.Logical formLearned from9 sentences. Diet may strengthen an immune system.Logical formLearned from9 sentences. A selection can be immune.Logical formLearned from9 sentences. An inflammation can be immune.Logical formLearned from9 sentences. A virus may trigger an immune response.Logical formLearned from9 sentences. An immune deficiency can be related.Logical formLearned from9 sentences. An one can be immune to types of attacks.Logical formLearned from9 sentences. Studies may pertain-to immune cells.Logical formLearned from9 sentences. A measure of an immune system may predict survival.Logical formLearned from9 sentences. A structure may pertain-to an immune system.Logical formLearned from9 sentences. An immune system may undergo malfunctions.Logical formLearned from9 sentences. A male can be immune from a suit.Logical formLearned from9 sentences. A US-city can be immune.Logical formLearned from9 sentences. Foreigners can be immune.Logical formLearned from9 sentences.