Complex sentence: Freeport-McMoRan Inc., (FMCG) often called Freeport, is a mining company based in the Freeport-McMoRan Center in downtown Phoenix, Arizona, United States.
Split into simpler sentences: Freeport-McMoRan Inc., (FMCG) often called Freeport, is a mining company. It is based in the Freeport-McMoRan Center, in Phoenix, Arizona, United States.