Complex sentence: The train's consist will be made up of baggage cars, club cars, and dining cars offering Greenbrier-style luxury decorated by Carleton Varney, the student of the designer behind the Greenbrier's grand redesign, Dorothy Draper.
Split into simpler sentences: The train's consist will be made up of baggage cars, club cars, and dining cars offering Greenbrier-style luxury. The decor is being supervised by interior designer Carlton Varney, the student of the woman behind the Greenbrier's signature sytle, Dorothy Draper.