A mystery may surround a crash.Logical formLearned from13 sentences. (Market crashes) may be took as portents of gloom.Logical formLearned from13 sentences. (Plane crashes) may pertain-to a dad.Logical formLearned from13 sentences. A connection can be between a crash.Logical formLearned from13 sentences. A crash can be devastating.Logical formLearned from13 sentences. A spot may pertain-to a crash.Logical formLearned from13 sentences. Some crashes can be in a US-city.Logical formLearned from13 sentences. Crashes can be for a mile.Logical formLearned from13 sentences. A person may predict a crash.Logical formLearned from13 sentences. A crash may pertain-to a ruble.Logical formLearned from13 sentences. A reduction can be in crashes.Logical formLearned from13 sentences. A crash can be expected.Logical formLearned from13 sentences. Crashes can be controlled.Logical formLearned from13 sentences. A cause of a crash can be a failure.Logical formLearned from13 sentences. Violence may pertain-to a crash.Logical formLearned from13 sentences.