A (tunnel collapse) can be fatal.Logical formLearned from21 sentences. A crime can be fatal.Logical formLearned from21 sentences. Pneumonia can be fatal.Logical formLearned from21 sentences. A flooding can be fatal.Logical formLearned from21 sentences. A fatal accident may take place.Logical formLearned from20 sentences. A (bird flu virus) can be fatal.Logical formLearned from20 sentences. A (bombing attack) can be fatal.Logical formLearned from20 sentences. A surgery can be fatal.Logical formLearned from20 sentences. Diseases can be fatal.Logical formLearned from20 sentences. A field can be fatal.Logical formLearned from20 sentences. A rupture can be fatal.Logical formLearned from20 sentences. A letter can be fatal.Logical formLearned from20 sentences. A cause can be fatal.Logical formLearned from20 sentences. A hole can be fatal.Logical formLearned from20 sentences. A decision may prove fatal.Logical formLearned from20 sentences.