A hemophiliac may be infected with a virus.Logical formLearned from7 sentences. Some percent of blacks may be infected.Logical formLearned from7 sentences. A slowdown may infect the economies of nations.Logical formLearned from7 sentences. Some others may be infected in a (metropolitan area).Logical formLearned from7 sentences. A (health professional) may infect a patient.Logical formLearned from7 sentences. Mad disease may infect herds.Logical formLearned from7 sentences. A flu may infect a human being.Logical formLearned from7 sentences. A virus may infect human cells.Logical formLearned from7 sentences. A doctor may be convicted of infecting some children.Logical formLearned from7 sentences. Some medics may be convicted of infecting children.Logical formLearned from7 sentences. (Death row) can be for infecting children.Logical formLearned from7 sentences. A father may be infected.Logical formLearned from7 sentences. Persons may be infected with avian flu.Logical formLearned from7 sentences. (Bird flu) may infect a cat.Logical formLearned from7 sentences. A (bird flu) may infect some persons.Logical formLearned from7 sentences.