A tornado of an outbreak may occur.Logical formLearned from6 sentences. A storm may spawn a tornado.Logical formLearned from6 sentences. A tornado may damage some buildings.Logical formLearned from6 sentences. A tornado may travel some miles.Logical formLearned from6 sentences. A tornado can be part of a (storm system).Logical formLearned from6 sentences. A video may pertain-to a tornado.Logical formLearned from6 sentences. A tornado may be passed.Logical formLearned from6 sentences. A tornado may devastate a US-city.Logical formLearned from6 sentences. A tornado may damage some buildings.Logical formLearned from6 sentences. A wind can be a tornado.Logical formLearned from6 sentences. A (tornado warning) may be lifted.Logical formLearned from6 sentences. Forecasters may issue a (tornado warning).Logical formLearned from6 sentences. An area may be knowned as tornado.Logical formLearned from6 sentences. Activation may request tornado.Logical formLearned from6 sentences. A tornado can be in a location.Logical formLearned from6 sentences.