A suppressant can be immune.Logical formLearned from17 sentences. An immune system may undergo maintenance.Logical formLearned from17 sentences. Years can be immune.Logical formLearned from17 sentences. An immune system may manifest weakness.Logical formLearned from17 sentences. A new drug may harness power of immune cells.Logical formLearned from17 sentences. Immune systems may recognize a range of cells.Logical formLearned from17 sentences. A whole can be immune.Logical formLearned from17 sentences. A vaccine may produce an immune response.Logical formLearned from17 sentences. Themselves can be immune.Logical formLearned from17 sentences. Humans can be immune.Logical formLearned from17 sentences. Persons may have an immune system.Logical formLearned from17 sentences. Immune systems may be weakened.Logical formLearned from17 sentences. States can be immune from suit.Logical formLearned from17 sentences. An immune system can be fortified.Logical formLearned from17 sentences. An immune response can be to a bacterium.Logical formLearned from17 sentences.