A (plane crash) may pertain-to a US-city.Logical formLearned from36 sentences. A car may be involved in a crash.Logical formLearned from36 sentences. A (trouble cause system crash) can be hidden.Logical formLearned from36 sentences. A crash can be a tragedy.Logical formLearned from36 sentences. A crash may be caused by fire.Logical formLearned from36 sentences. (Computer crashes) may pertain-to a person.Logical formLearned from36 sentences. A (jet crash) may pertain-to a weekday.Logical formLearned from36 sentences. A concussion can be in a crash.Logical formLearned from36 sentences. An investigation can be into a cause of a crash.Logical formLearned from36 sentences. A final report can be on a crash.Logical formLearned from36 sentences. A series can be constituted-of-or-filled-with (air crashes).Logical formLearned from36 sentences. Weather may cause a crash.Logical formLearned from36 sentences. A (plane crash) may occur.Logical formLearned from36 sentences. Responsibility can be for crashes.Logical formLearned from35 sentences. Causes may pertain-to crashes.Logical formLearned from35 sentences.