Complex sentence: On Christmas Eve, Clara is awoken by the sound of something crashing on her rooftop her investigation leaves hera stonished to find Santa Claus, with his two elves, a sleigh, and flying reindeer, before her.
Split into simpler sentences: On Christmas Eve, Clara is awoken by the sound of something crashing on her rooftop. Her investigation leaves her astonished to find Santa Claus, his two elves, a sleigh, and flying reindeer, before her.