A helicopter may crash during a (training mission).Logical formLearned from36 sentences. A saab340 may crash after takeoff.Logical formLearned from36 sentences. A pilot may crash.Logical formLearned from35 sentences. A person may crash to a floor.Logical formLearned from35 sentences. A man may crash a car.Logical formLearned from35 sentences. Small plane may crash on (city street).Logical formLearned from35 sentences. A md-83 may crash.Logical formLearned from35 sentences. Sites may crash.Logical formLearned from35 sentences. Stocks may crash.Logical formLearned from35 sentences. A body may crash.Logical formLearned from35 sentences. Some plane may crash.Logical formLearned from35 sentences. A small aircraft may crash.Logical formLearned from34 sentences. Systems may crash.Logical formLearned from34 sentences. A plane may crash in a jungle.Logical formLearned from34 sentences. A company may crash after takeoff.Logical formLearned from34 sentences.