Complex sentence: Pensioned, Gato Del Sol spent the remainder of his days on the farm where he was foaled and, on August 7,2007, he had to be euthanized because of health complications at the age of 28.
Split into simpler sentences: Pensioned, Gato Del Sol spent the remainder of his days on the farm where he was foaled. On August 7,2007, he was euthanized because of health complications at the age of 28.