sentences:  The telepathic creature then created the forest and village in an attempt to balance itself with goodness, but, due to low power supplies, it is having to remove small parts of the 'program', such as children, to conserve power.The Doctor offers to pilot the ship closer to a sun to give the creature more power to run the program, and a woman from the village absorbs the evil into her body, before exiling herself, so she can learn to control it.The Doctor and Martha then leave the creature to maintain the forest world.