An explosion can be during a (training exercise).Logical formLearned from9 sentences. A nuclear blast can be by an explosion.Logical formLearned from9 sentences. A fire may be caused by a (gas explosion).Logical formLearned from9 sentences. An explosion may strike a vehicle.Logical formLearned from9 sentences. A person may set_off explosions.Logical formLearned from9 sentences. (Suicide attackers) can be in (bomb explosions).Logical formLearned from9 sentences. An explosion can be at a (bus stop).Logical formLearned from9 sentences. A mastermind can be behind (bomb explosions).Logical formLearned from9 sentences. An explosion may destroy a part of a building.Logical formLearned from9 sentences. Sale can be before an explosion.Logical formLearned from9 sentences. A driver of a cab may die in an explosion.Logical formLearned from9 sentences. Explosions may cause casualties.Logical formLearned from9 sentences. A male may hear an explosion of rockets.Logical formLearned from9 sentences. Explosions may sound from a direction.Logical formLearned from9 sentences. An explosion may cause a number of injuries.Logical formLearned from9 sentences.