Complex sentence: Every resident is assigned a task, while Sally, a rag doll woman who was created by the town's mad scientist, has romantic feelings towards Jack; however, when she is alone, she has a premonition of Jack's Christmas ending badly.
Split into simpler sentences: Every resident is assigned a task, while Sally, a rag doll woman who was created by the town's mad scientist, has romantic feelings towards Jack. However, when she is alone, she has a premonition of Jack's Christmas ending badly.