Complex sentence: At the age of 67, MacLean retired as premier on November 17,1981 and did not run in the 1982 provincial election preferring to return to the family farm which he redeveloped for low-intensity blueberry farming.
Split into simpler sentences: At the age of 67, MacLean retired as premier on November 17,1981 and did not run in the 1982 provincial election. He returned to the family farm that he redeveloped for low-intensity blueberry farming.