Complex sentence: The 2015 Masters Tournament was the 79th Masters Tournament and the first of golf's four major championships, held April 9--12 at Augusta National Golf Club in Augusta, Georgia.
Split into simpler sentences: The 2015 Masters Tournament is the 79th Masters Tournament and the first of golf's four major championships to be held in 2015. It was held from April 9--12 at Augusta National Golf Club in Augusta, Georgia.