(Anthrax letters) can be a mistake.Logical formLearned from13 sentences. Connection can be with an (anthrax investigation).Logical formLearned from13 sentences. An anthrax may be found.Logical formLearned from13 sentences. Anthrax can be endemic.Logical formLearned from13 sentences. An (anthrax case) can be in a US-city.Logical formLearned from13 sentences. Anthrax may spread.Logical formLearned from13 sentences. Anthrax can be in animals.Logical formLearned from13 sentences. Symptoms can be consistent with anthrax.Logical formLearned from13 sentences. (Anthrax cases) can be in a us-state.Logical formLearned from13 sentences. An (anthrax scare) may pertain-to a nation.Logical formLearned from13 sentences. An anthrax can be refined.Logical formLearned from13 sentences. An attempt can be at (anthrax poisoning).Logical formLearned from13 sentences. An (anthrax vaccine) may pertain-to a country.Logical formLearned from13 sentences. A hunt can be for an (anthrax killer).Logical formLearned from13 sentences. A series can be constituted-of-or-filled-with (anthrax cases).Logical formLearned from13 sentences.