A disaster can be in a region.Logical formLearned from26 sentences. A blueprint can be for disaster.Logical formLearned from26 sentences. (Air disasters) may pertain-to a country.Logical formLearned from26 sentences. A cause of a disaster can be under_investigation.Logical formLearned from26 sentences. A victory can be a disaster.Logical formLearned from26 sentences. A cause of a disaster may remain unknown.Logical formLearned from26 sentences. First days can be after a disaster.Logical formLearned from26 sentences. A risk can be constituted-of-or-filled-with disaster.Logical formLearned from26 sentences. A pointman can be on a disaster.Logical formLearned from26 sentences. A country may declare a state of disaster.Logical formLearned from26 sentences. Symbols may pertain-to a disaster.Logical formLearned from26 sentences. An official can be at a (disaster relief center).Logical formLearned from26 sentences. An environmental impact may pertain-to a disaster.Logical formLearned from26 sentences. A (death toll) can be from a (tsunami disaster).Logical formLearned from26 sentences. A worst natural disaster can be in memory.Logical formLearned from26 sentences.