A (tsunami disaster) may pertain-to a weekday.Logical formLearned from33 sentences. Flirting can be with disaster.Logical formLearned from33 sentences. Disasters can be monumental.Logical formLearned from33 sentences. A spill can be an environmental disaster.Logical formLearned from33 sentences. A weekend can be a disaster.Logical formLearned from33 sentences. A disaster may be averted.Logical formLearned from33 sentences. Some disaster may kill some astronauts.Logical formLearned from33 sentences. Hours can be after a disaster.Logical formLearned from33 sentences. A disaster can be huge.Logical formLearned from33 sentences. A president may declare a disaster.Logical formLearned from33 sentences. A disaster can be fatal.Logical formLearned from33 sentences. An (aviation disaster) may pertain-to a country.Logical formLearned from33 sentences. A spate can be constituted-of-or-filled-with disasters.Logical formLearned from33 sentences. A history can be constituted-of-or-filled-with disasters.Logical formLearned from33 sentences. A conference can be on (disaster reduction).Logical formLearned from33 sentences.