Some percent of (hospital patients) may be infected with parasites.Logical formLearned from2 sentences. A strain of a virus may infect chickens on a farm.Logical formLearned from2 sentences. Swans may be infected.Logical formLearned from2 sentences. Companies may be infected in cases.Logical formLearned from2 sentences. A virus may infect a number of ipods.Logical formLearned from2 sentences. A (testing computer) may be infected.Logical formLearned from2 sentences. (Bird flu) may infect birds.Logical formLearned from2 sentences. Some women may be infected with some types.Logical formLearned from2 sentences. Some (family members) may be infected by a disease.Logical formLearned from2 sentences. Racism may infect deliberations.Logical formLearned from2 sentences. Fears of a recession may infect markets.Logical formLearned from2 sentences. (Drug money) may infect politics.Logical formLearned from2 sentences. Some percent of persons may be infected with a virus.Logical formLearned from2 sentences. A dentist may infect a patient.Logical formLearned from2 sentences. Some men may be infected by a bird.Logical formLearned from2 sentences.