Letters may accompany an anthrax.Logical formLearned from23 sentences. Anthrax may kill some persons.Logical formLearned from23 sentences. An (inhalation anthrax) can be suspected.Logical formLearned from23 sentences. Anthrax may undergo a detection.Logical formLearned from23 sentences. (Anthrax vaccinations) can be mandatory.Logical formLearned from23 sentences. Questions can be about anthrax.Logical formLearned from23 sentences. A cure can be for anthrax.Logical formLearned from23 sentences. An (anthrax scare) may pertain-to a country.Logical formLearned from23 sentences. An (anthrax vaccine) may undergo a use.Logical formLearned from22 sentences. Authorities may investigate some (anthrax mailings).Logical formLearned from22 sentences. An (anthrax killer) can be suspected.Logical formLearned from22 sentences. Information can be on anthrax.Logical formLearned from22 sentences. A letter may contain anthrax.Logical formLearned from22 sentences. An (anthrax testing) can be unauthorized.Logical formLearned from22 sentences. An anthrax can be wet.Logical formLearned from22 sentences.