A (tanker truck) may undergo an explosion.Logical formLearned from19 sentences. Some explosions may be caused by bombs.Logical formLearned from19 sentences. An explosion can be at a (village school).Logical formLearned from19 sentences. An explosion can be on a (passenger bus).Logical formLearned from19 sentences. Some persons may be killed by an explosion.Logical formLearned from19 sentences. Explosions can be criminal.Logical formLearned from19 sentences. An explosion can be on an (oil rig).Logical formLearned from19 sentences. A string can be constituted-of-or-filled-with (bomb explosions).Logical formLearned from19 sentences. A danger can be constituted-of-or-filled-with explosions.Logical formLearned from18 sentences. A cause can be for an explosion.Logical formLearned from18 sentences. An explosion may be heard in a city.Logical formLearned from18 sentences. Wounds may be sustained in an explosion.Logical formLearned from18 sentences. Explosions may be caused.Logical formLearned from18 sentences. A witness may hear an explosion.Logical formLearned from18 sentences. Origin may undergo explosions.Logical formLearned from18 sentences.