Accidents may be blamed on failures.Logical formLearned from17 sentences. An accident can be (air disaster).Logical formLearned from17 sentences. (Crane accidents) can be deadly.Logical formLearned from17 sentences. Accidents can be in years.Logical formLearned from17 sentences. A board of officers may investigate an accident.Logical formLearned from17 sentences. A (mining accident) may pertain-to a nation.Logical formLearned from17 sentences. A role can be in an accident.Logical formLearned from17 sentences. An (air accident) can be in a history.Logical formLearned from17 sentences. Factors can be in preventing accidents.Logical formLearned from17 sentences. Injuries may be sustained in a (traffic accident).Logical formLearned from17 sentences. An accident can be a terrible tragedy.Logical formLearned from17 sentences. An accident can be some blow to hopes.Logical formLearned from17 sentences. Consequences may pertain-to an accident.Logical formLearned from17 sentences. Accidents may pertain-to a nation.Logical formLearned from17 sentences. An accident can be appalling.Logical formLearned from17 sentences.