A disaster may be triggered by an explosion of a (practice torpedo).Logical formLearned from12 sentences. An explosion may damage a (gas station).Logical formLearned from12 sentences. Some explosion can be in a capital.Logical formLearned from12 sentences. Squads may investigate a site of an explosion.Logical formLearned from12 sentences. An explosion may rock a building.Logical formLearned from12 sentences. Missiles may set_off an explosion.Logical formLearned from12 sentences. An explosion may rock church.Logical formLearned from12 sentences. An explosion may level a schoolhouse.Logical formLearned from12 sentences. Explosions may be sparked by a fire.Logical formLearned from12 sentences. Authorities may investigate an explosion.Logical formLearned from12 sentences. A (roadside explosion) may go_off.Logical formLearned from12 sentences. Clues can be in an explosion.Logical formLearned from12 sentences. An explosion may follow some warnings.Logical formLearned from12 sentences. An explosion can be at a moment.Logical formLearned from12 sentences. An explosion may knock_out a pillar.Logical formLearned from12 sentences.