A (mystery illness) may appear.Logical formLearned from6 sentences. A (mystery illness) can be with a treatment.Logical formLearned from6 sentences. A (mystery illness) may spread from a continent.Logical formLearned from6 sentences. A (mystery disease) may hit a world-city.Logical formLearned from6 sentences. Some victims of a (mystery disease) may die.Logical formLearned from6 sentences. A mystery may kill some persons.Logical formLearned from6 sentences. A culprit can be behind a (mystery illness).Logical formLearned from6 sentences. A (mystery illness) may force a male.Logical formLearned from6 sentences. A hand can be behind a mystery.Logical formLearned from6 sentences. Mysteries may undergo an addition.Logical formLearned from6 sentences. Activities may remain a mystery.Logical formLearned from6 sentences. An explosion of a bomb may tear_open a mystery of a cell.Logical formLearned from6 sentences. A fate can be a mystery to family.Logical formLearned from6 sentences. A mystery can be to family.Logical formLearned from6 sentences. A mystery can be to fans.Logical formLearned from6 sentences.