A bus may undergo an explosion.Logical formLearned from19 sentences. An explosion may rock a center of a capital.Logical formLearned from19 sentences. A responsibility can be for an explosion.Logical formLearned from19 sentences. An explosion may set_off a fire.Logical formLearned from19 sentences. An explosion can be in a (chemical plant).Logical formLearned from19 sentences. An explosion may be triggered.Logical formLearned from19 sentences. A (bomb explosion) can be improvised.Logical formLearned from19 sentences. An explosion may goug a crater.Logical formLearned from19 sentences. A (gas explosion) may rip through an (apartment building).Logical formLearned from19 sentences. Some soldiers may be killed in a (bomb explosion).Logical formLearned from19 sentences. Protests may undergo an explosion.Logical formLearned from19 sentences. An explosion may rip.Logical formLearned from19 sentences. A world-city may undergo explosions.Logical formLearned from19 sentences. Explosions can be on a (transport system).Logical formLearned from19 sentences. An explosion may kill a soldier.Logical formLearned from19 sentences.