A virus may spread among persons.Logical formLearned from23 sentences. A virus may gain an ability.Logical formLearned from23 sentences. A human (papilloma virus) may cause cervical cancer.Logical formLearned from23 sentences. A creator may pertain-to a virus.Logical formLearned from23 sentences. A shell may pertain-to a virus.Logical formLearned from23 sentences. An epidemiology may pertain-to a virus.Logical formLearned from23 sentences. Viruses can be foamy.Logical formLearned from23 sentences. Viruses can be suspected.Logical formLearned from23 sentences. Virus may undergo a replication.Logical formLearned from23 sentences. Viruses may undergo a classification.Logical formLearned from23 sentences. Viruses may undergo a removal.Logical formLearned from23 sentences. An immune response can be to a virus.Logical formLearned from23 sentences. Virus may be spreaded.Logical formLearned from23 sentences. A target can be for (virus writers).Logical formLearned from23 sentences. A virus can be a virus.Logical formLearned from23 sentences.