An immune system can be blind to (cancer cells).Logical formLearned from10 sentences. Immune systems may kill_off persons.Logical formLearned from10 sentences. An immune system can be attuned to signals of danger.Logical formLearned from10 sentences. A responsibility may fall brokers of an immune response.Logical formLearned from10 sentences. An immune system may develop in a fetus.Logical formLearned from10 sentences. An immune system may discriminate between self.Logical formLearned from10 sentences. An immune system may see cells.Logical formLearned from10 sentences. An immune system may bother with a sense of self.Logical formLearned from10 sentences. Immune systems can be healthy.Logical formLearned from10 sentences. Sentinels may pertain-to an immune system.Logical formLearned from10 sentences. An immune system may mature in a recipient.Logical formLearned from10 sentences. An immune system may be generated from a cell.Logical formLearned from10 sentences. An immune system may undergo a disease-fighting.Logical formLearned from10 sentences. Components may pertain-to a human immune system.Logical formLearned from10 sentences. An immune system can be damaged.Logical formLearned from10 sentences.