A fatal accident can be in a month.Logical formLearned from14 sentences. Skirmishes can be fatal.Logical formLearned from13 sentences. A strain can be fatal.Logical formLearned from13 sentences. A (gas leak) can be fatal.Logical formLearned from13 sentences. Weapons can be fatal.Logical formLearned from13 sentences. A lapse can be fatal.Logical formLearned from13 sentences. Conditions can be fatal.Logical formLearned from13 sentences. A fatal accident can be in a history.Logical formLearned from13 sentences. A fatal accident may occur on a month.Logical formLearned from13 sentences. An (aircraft accident) can be fatal.Logical formLearned from13 sentences. (Bear attacks) can be fatal.Logical formLearned from13 sentences. Blockage can be fatal.Logical formLearned from13 sentences. A fatal accident can be on a month.Logical formLearned from13 sentences. Experiments can be fatal.Logical formLearned from13 sentences. A relationship can be fatal.Logical formLearned from13 sentences.