Complex sentence: The Cholmondeley is a Stradivarius violoncello that made in Cremona, Italy around 1698, which holds the Guiness World Record as the worlds most valuable cello.
Split into simpler sentences: The Cholmondeley is the name of a Stradivarius violoncello that made in Cremona, Italy around 1698. It holds the World Record as the worlds most valuable cello.