A disaster may undergo an investigation.Logical formLearned from84 sentences. A natural disaster may occur.Logical formLearned from83 sentences. A female can be a disaster.Logical formLearned from83 sentences. A disaster can be unexpected.Logical formLearned from83 sentences. A disaster can be long-term.Logical formLearned from83 sentences. A response can be to natural disasters.Logical formLearned from82 sentences. Responses can be to natural disasters.Logical formLearned from81 sentences. Disasters may pertain-to a person.Logical formLearned from81 sentences. A natural disaster can be destructive.Logical formLearned from81 sentences. A wake may pertain-to a (tsunami disaster).Logical formLearned from81 sentences. Disasters can be meteorological.Logical formLearned from79 sentences. A natural disaster can be terrible.Logical formLearned from79 sentences. Worst natural disasters can be in a history.Logical formLearned from79 sentences. A disaster may pertain-to a century.Logical formLearned from79 sentences. A disaster can be costly.Logical formLearned from79 sentences.