Read the following passage:
“The sun hung low in the sky, its last rays strewn across the fields like scattered gold. Emily watched from her window, her fingers tracing the glass, as the neighborhood kids raced outside. They laughed freely, while she remained cocooned in the quiet of her own thoughts. It was on days like this that the world felt vast yet claustrophobic, and she often pondered the unseen walls that confined her.”
In this excerpt, which narrative perspective deepens the reader's understanding of Emily's internal conflict?