(Population explosions) can be periodic.Logical formLearned from10 sentences. Targets may pertain-to explosions.Logical formLearned from10 sentences. (Gas cylinders) may undergo an explosion.Logical formLearned from10 sentences. An explosion can be at a central market.Logical formLearned from10 sentences. An explosion may occur before some pm.Logical formLearned from10 sentences. A military may confirm an explosion.Logical formLearned from10 sentences. An explosion can be undetermined.Logical formLearned from10 sentences. A crew may hear an explosion.Logical formLearned from10 sentences. Militants may set_off explosions.Logical formLearned from10 sentences. An explosion can be in trade.Logical formLearned from10 sentences. An explosion may rip through barracks.Logical formLearned from10 sentences. An (educator astronaut) may be perished in some (shuttle explosion).Logical formLearned from10 sentences. An explosion may end a dream of some teacher.Logical formLearned from10 sentences. Confetti may undergo an explosion.Logical formLearned from10 sentences. A controlled explosion may pertain-to a device.Logical formLearned from10 sentences.