An aftermath may pertain-to a crash.Logical formLearned from291 sentences. A cause of a crash can be clear.Logical formLearned from291 sentences. A (plane crash) can be tragic.Logical formLearned from290 sentences. A (plane crash) may pertain-to a country.Logical formLearned from289 sentences. A crash may pertain-to a world-city.Logical formLearned from279 sentences. Crashes can be deadly.Logical formLearned from278 sentences. An anniversary may pertain-to a crash.Logical formLearned from272 sentences. A crash may occur.Logical formLearned from271 sentences. A person may be killed in a (plane crash).Logical formLearned from261 sentences. Crashes can be serious.Logical formLearned from260 sentences. An airline may undergo a crash.Logical formLearned from257 sentences. A cause of a crash may be investigated.Logical formLearned from256 sentences. A (plane crash) can be suspicious.Logical formLearned from255 sentences. Some persons may survive a crash.Logical formLearned from251 sentences. A female may be killed in a (car crash).Logical formLearned from250 sentences.