Complex sentence: Osprey Meadows, a Robert Trent Jones II signature 18-hole golf course, opened in May 2006 with the addition of the back nine holes; the first nine holes opened for play in September 2005.
Split into simpler sentences: Osprey Meadows, a Robert Trent Jones II signature 18-hole golf course, opened in May 2006 with the addition of the back nine holes. The first nine holes opened for play in September 2005.