Witnesses may arrive after an explosion.Logical formLearned from15 sentences. An explosion may kill a man.Logical formLearned from15 sentences. Some explosions may resound.Logical formLearned from15 sentences. An explosion can be in a city.Logical formLearned from15 sentences. Reporters can be at a scene of an explosion.Logical formLearned from15 sentences. Persons may talk about an explosion.Logical formLearned from15 sentences. An explosion may rip through a ship.Logical formLearned from15 sentences. An explosion can be in hours.Logical formLearned from15 sentences. A series of explosions may hit sites.Logical formLearned from15 sentences. A British soldier may be killed in an explosion.Logical formLearned from15 sentences. A pattern may pertain-to explosions.Logical formLearned from15 sentences. Users may undergo an explosion.Logical formLearned from15 sentences. Some civilians may be wounded in an explosion.Logical formLearned from15 sentences. A (mine explosion) may kill some persons.Logical formLearned from15 sentences. An explosion may be blamed on rebels.Logical formLearned from15 sentences.