An explosion may rip through an (apartment house).Logical formLearned from18 sentences. An explosion may be set_offed by remote control.Logical formLearned from18 sentences. An explosion may happen at a time.Logical formLearned from18 sentences. An explosion can be off a country.Logical formLearned from18 sentences. An explosion can be regional.Logical formLearned from18 sentences. An explosion may cause an accident.Logical formLearned from18 sentences. An explosion may occur in town.Logical formLearned from18 sentences. A country can be behind an explosion.Logical formLearned from18 sentences. Fire may be ignited by an (oil tank explosion).Logical formLearned from18 sentences. A (bomb explosion) may kill a person.Logical formLearned from18 sentences. Explosions may come before services.Logical formLearned from18 sentences. A (car bomb) may cause an explosion.Logical formLearned from18 sentences. A country may set_off some nuclear explosions.Logical formLearned from18 sentences. Connection can be with explosions.Logical formLearned from18 sentences. Some explosions may hit a world-city.Logical formLearned from18 sentences.