Some explosions may rock parts of a world-city.Logical formLearned from9 sentences. Some policemen may be killed in a (bomb explosion).Logical formLearned from9 sentences. A spate can be constituted-of-or-filled-with (bomb explosions).Logical formLearned from9 sentences. A controlled explosion may pertain-to a bomb.Logical formLearned from9 sentences. An explosion can be in a port city of a world-city.Logical formLearned from9 sentences. Some others may be injured in explosions.Logical formLearned from9 sentences. An explosion may occur at some gmts.Logical formLearned from9 sentences. An explosion may rock a park.Logical formLearned from9 sentences. An explosion can be serious.Logical formLearned from9 sentences. A male may be caught in an explosion.Logical formLearned from9 sentences. An explosion may dig a crater.Logical formLearned from9 sentences. A flash may be associated with an explosion.Logical formLearned from9 sentences. An explosion can be at a station.Logical formLearned from9 sentences. An explosion can be in population.Logical formLearned from9 sentences. An explosion can be at a terminal.Logical formLearned from9 sentences.