Viruses may pertain-to today.Logical formLearned from17 sentences. Cases can be constituted-of-or-filled-with (virus infection).Logical formLearned from17 sentences. Release may pertain-to a virus.Logical formLearned from17 sentences. A virus may be spreaded to humans.Logical formLearned from17 sentences. A (dwarf virus) can be yellow.Logical formLearned from17 sentences. An illness may be caused by a virus.Logical formLearned from17 sentences. A problem can be a virus.Logical formLearned from17 sentences. A virus may install itself.Logical formLearned from17 sentences. Viruses can be sophisticated.Logical formLearned from17 sentences. Information can be about virus.Logical formLearned from17 sentences. A virus can be in a form.Logical formLearned from17 sentences. An origin may pertain-to a virus.Logical formLearned from17 sentences. Contact can be with virus.Logical formLearned from17 sentences. (Macro viruses) can be known.Logical formLearned from17 sentences. Virus can be a flavivirus.Logical formLearned from17 sentences.