A disaster can be in a month.Logical formLearned from108 sentences. An investigation can be into a disaster.Logical formLearned from108 sentences. Disasters can be serious.Logical formLearned from107 sentences. Disasters can be technological.Logical formLearned from107 sentences. A disaster can be true.Logical formLearned from107 sentences. An (air disaster) may pertain-to a nation.Logical formLearned from106 sentences. Natural disasters may occur.Logical formLearned from106 sentences. A room can be a disaster.Logical formLearned from105 sentences. Natural disasters may devastate an economy.Logical formLearned from105 sentences. A recipe can be for economic disaster.Logical formLearned from105 sentences. Victims may pertain-to a (tsunami disaster).Logical formLearned from105 sentences. A disaster can be unforeseen.Logical formLearned from104 sentences. A (rail disaster) may pertain-to a nation.Logical formLearned from104 sentences. A result can be constituted-of-or-filled-with natural disasters.Logical formLearned from104 sentences. Disasters can be global.Logical formLearned from103 sentences.