A crash can be plain.Logical formLearned from19 sentences. An investigation can be into a crash.Logical formLearned from19 sentences. A (plane crash) may kill some others.Logical formLearned from19 sentences. A crash can be worse.Logical formLearned from19 sentences. A man may be killed in a (car crash).Logical formLearned from19 sentences. A crash can be in a race.Logical formLearned from19 sentences. A comet may undergo a crash.Logical formLearned from19 sentences. Weeks can be after a crash.Logical formLearned from19 sentences. Investigators may pertain-to a crash.Logical formLearned from19 sentences. A crash can be unsolved.Logical formLearned from19 sentences. A shock may pertain-to a crash.Logical formLearned from19 sentences. (Plane crashes) may pertain-to a person.Logical formLearned from19 sentences. Crashes can be increased.Logical formLearned from19 sentences. Crashes may undergo an analysis.Logical formLearned from19 sentences. (Helicopter crashes) can be accidents.Logical formLearned from19 sentences.