Complex sentence: Eleven-year-old orphan Annie was left at a girls'orphanage when she was an infant with half a locket shaped like a heart with a key hole and a note from her parents saying they'll come back for her.
Split into simpler sentences: Eleven-year-old orphan Annie was left at a girls'orphanage when she was an infant. With her was half a heart-shaped locket with a key hole, and a note from her parents saying they'd come back for her.