Information can be on a virus.Logical formLearned from50 sentences. Infections may be caused by viruses.Logical formLearned from50 sentences. A virus can be in a background.Logical formLearned from50 sentences. Viruses may cause disease.Logical formLearned from50 sentences. A trace may pertain-to a virus.Logical formLearned from50 sentences. A virus can be in poultry.Logical formLearned from49 sentences. An infectious disease may be caused by a virus.Logical formLearned from49 sentences. A return may pertain-to a virus.Logical formLearned from49 sentences. A virus may grow.Logical formLearned from49 sentences. Infection can be by viruses.Logical formLearned from49 sentences. An existence may pertain-to a virus.Logical formLearned from49 sentences. A male may contract a virus.Logical formLearned from49 sentences. A virus may travel.Logical formLearned from49 sentences. A virus may behave.Logical formLearned from49 sentences. Viruses may infect bacteria.Logical formLearned from49 sentences.