A tornado may pertain-to a family.Logical formLearned from3 sentences. A tornado can be an ef2.Logical formLearned from3 sentences. A storm may produce a tornado.Logical formLearned from3 sentences. A supercell may spawn a tornado.Logical formLearned from3 sentences. Persons may be injured by a tornado.Logical formLearned from3 sentences. Days can be after a tornado.Logical formLearned from3 sentences. A tornado can be at a US-city.Logical formLearned from3 sentences. A tornado can be during a month.Logical formLearned from3 sentences. A tornado can be in (world history).Logical formLearned from3 sentences. A tornado may be confirmed in an area.Logical formLearned from3 sentences. A tornado may damage some houses.Logical formLearned from3 sentences. A (tornado outbreak) may be expected.Logical formLearned from3 sentences. A tornado may destroy a church.Logical formLearned from3 sentences. A tornado may damage trees.Logical formLearned from3 sentences. A (tornado warning) may be issued for counties.Logical formLearned from3 sentences.