An appearance can be a mystery.Logical formLearned from5 sentences. A mystery may help.Logical formLearned from5 sentences. A mystery may surround disappearances.Logical formLearned from5 sentences. A (mystery illness) can be from a continent.Logical formLearned from5 sentences. A spread may pertain-to a (mystery illness).Logical formLearned from5 sentences. A journalist may have a mystery.Logical formLearned from5 sentences. A male may die of a (mystery illness).Logical formLearned from5 sentences. A mystery may kill some persons.Logical formLearned from5 sentences. A strain of (mystery pneumonia) can be amenable to treatment.Logical formLearned from5 sentences. A (mystery pneumonia) can be in a country.Logical formLearned from5 sentences. (Mystery pneumonia) may sicken hundreds.Logical formLearned from5 sentences. A mystery may hit countries on some continents.Logical formLearned from5 sentences. Cases may pertain-to a mystery.Logical formLearned from5 sentences. Scientists can be closer to mystery.Logical formLearned from5 sentences. A fallout can be from a (mystery malady).Logical formLearned from5 sentences.