Central Idea: The forest provides a sense of peace and calm.
Is it stated or implied? Implied.
Supporting Details: The passage describes the forest as "dark and silent," with trees blocking out the sun and birds chirping quietly, all of which contribute to a serene atmosphere. Additionally, Sarah's experience of feeling a "sense of peace and calm" as she walks deeper into the woods suggests that the tranquility of the forest is impactful, leading the reader to infer the central idea about the calming effects of nature.