A (respiratory illness) may infect thousands of persons.Logical formLearned from4 sentences. A person may be infected with salmonella.Logical formLearned from4 sentences. Some researcher may be infected.Logical formLearned from4 sentences. A machine may be infected with spyware.Logical formLearned from4 sentences. A virus may infect children.Logical formLearned from4 sentences. A country may be infected.Logical formLearned from4 sentences. (Influenza viruses) may infect tens of millions of persons.Logical formLearned from4 sentences. Viruses may infect mammals.Logical formLearned from4 sentences. An influence of dirty money may infect (law enforcement organizations).Logical formLearned from4 sentences. A number may be infected in a country.Logical formLearned from4 sentences. Virus may infect persons.Logical formLearned from4 sentences. A woman may be infected with virus.Logical formLearned from4 sentences. Worms may infect computers.Logical formLearned from4 sentences. A seed may be infected.Logical formLearned from4 sentences. A donor may be infected.Logical formLearned from4 sentences.