An explosion can be in a (refugee camp).Logical formLearned from31 sentences. Explosions may cause injuries.Logical formLearned from31 sentences. An explosion may be heard in a world-city.Logical formLearned from31 sentences. Victims may pertain-to explosions.Logical formLearned from31 sentences. Some explosions may be heard in a world-city.Logical formLearned from30 sentences. A fire may be caused by an explosion.Logical formLearned from30 sentences. An explosion can be in a (shopping center).Logical formLearned from30 sentences. An explosion may be located.Logical formLearned from30 sentences. Some explosions may be heard in an area.Logical formLearned from30 sentences. An explosion may undergo a (death toll).Logical formLearned from30 sentences. Damage may be caused by an explosion.Logical formLearned from30 sentences. Some workers may be killed in an explosion.Logical formLearned from30 sentences. Gunpowder may undergo an explosion.Logical formLearned from30 sentences. Persons may hear a sound of an explosion.Logical formLearned from30 sentences. A (population explosion) may pertain-to a country.Logical formLearned from30 sentences.