Some crashes may involve some deaths.Logical formLearned from19 sentences. Some crashes may result in some injuries.Logical formLearned from19 sentences. A wife may die in some (helicopter crash).Logical formLearned from19 sentences. Authorities may determine a cause of a crash.Logical formLearned from19 sentences. A mystery may pertain-to a crash.Logical formLearned from19 sentences. Sole survivor may pertain-to a crash.Logical formLearned from19 sentences. Relatives may pertain-to (crash victims).Logical formLearned from19 sentences. A princess may be killed in a (car crash).Logical formLearned from19 sentences. A crash can be in (aviation history).Logical formLearned from19 sentences. (Pilot error) can be a cause of a crash.Logical formLearned from19 sentences. A (helicopter crash) may pertain-to an international-political-entity.Logical formLearned from19 sentences. A (horror crash) may pertain-to a male.Logical formLearned from19 sentences. Forces may suffer some (helicopter crashes).Logical formLearned from19 sentences. A crash may involve a bus.Logical formLearned from19 sentences. An (air crash) may kill some persons.Logical formLearned from19 sentences.