Complex sentence: It featured five pastel-colored talking dogs which came through an interdimensional doorway into the lives of ten year old boy, Jamie, and his slightly older neighbor, Claire, and were the intended prey of the evil miser Wagstaff.
Split into simpler sentences: It featured five pastel-colored talking dogs that came through an interdimensional doorway and into the lives of ten year old boy, Jamie, with his slightly older neighbor, Claire. The dogs were the intended prey of the evil miser Wagstaff.