A harbinger can be constituted-of-or-filled-with disaster.Logical formLearned from22 sentences. Disasters can be complex.Logical formLearned from22 sentences. An invasion can be a disaster.Logical formLearned from22 sentences. A spate can be constituted-of-or-filled-with natural disasters.Logical formLearned from22 sentences. A succession can be constituted-of-or-filled-with natural disasters.Logical formLearned from22 sentences. A disaster may loom.Logical formLearned from22 sentences. A (commuter rail disaster) may pertain-to a US-city.Logical formLearned from22 sentences. (Disaster areas) can be from a female.Logical formLearned from22 sentences. A disaster can be chaotic.Logical formLearned from22 sentences. An (air disaster) can be in decades.Logical formLearned from22 sentences. A (disaster declaration) can be for counties.Logical formLearned from22 sentences. A crash can be a disaster.Logical formLearned from22 sentences. Persons can be on a brink of an economic disaster.Logical formLearned from22 sentences. A disaster may undergo a management.Logical formLearned from22 sentences. A disaster can be for polar bears.Logical formLearned from22 sentences.