A male may be infected by a disease.Logical formLearned from2 sentences. A person may be infected with a (blood disease).Logical formLearned from2 sentences. A (flight attendant) may be infected.Logical formLearned from2 sentences. A boy may be infected with a disease.Logical formLearned from2 sentences. Others may be infected by a professor.Logical formLearned from2 sentences. (Hospital workers) may be infected.Logical formLearned from2 sentences. A mother may be infected with a disease.Logical formLearned from2 sentences. Persons may be infected everyday.Logical formLearned from2 sentences. Some (flu virus) may infect a boy.Logical formLearned from2 sentences. An outbreak may infect some inmates.Logical formLearned from2 sentences. A (computer bug) may infect (internet traffic worldwide).Logical formLearned from2 sentences. An animal may be infected with tuberculosis.Logical formLearned from2 sentences. Some elephants may be infected with tuberculosis.Logical formLearned from2 sentences. A muppet may be infected with a virus.Logical formLearned from2 sentences. Seals may be infected by minks.Logical formLearned from2 sentences.