Reference can be to a tragedy.Logical formLearned from10 sentences. Witnesses can be to a terrible tragedy.Logical formLearned from10 sentences. Persons can be witnesses to a terrible tragedy.Logical formLearned from10 sentences. Condolences can be over a tragedy.Logical formLearned from10 sentences. A tragedy can be an example.Logical formLearned from10 sentences. A series of events may lead to a tragedy.Logical formLearned from10 sentences. A flooding may cap a week of tragedy.Logical formLearned from10 sentences. A tragedy can be for a country.Logical formLearned from10 sentences. Tragedies can be at (energy facilities).Logical formLearned from10 sentences. A fatality can be a tragedy.Logical formLearned from10 sentences. An extent of a tragedy may be knowned.Logical formLearned from10 sentences. A tragedy can be in a (mining industry).Logical formLearned from10 sentences. A male may learn of a tragedy.Logical formLearned from10 sentences. A (family tragedy) may upend a life.Logical formLearned from10 sentences. A female may get word of a tragedy.Logical formLearned from10 sentences.