Complex sentence: Grimsby Town Football Club is a professional football club based in the seaside town of Cleethorpes, North East Lincolnshire, England, that competes in League Two, the fourth tier in the English football league system.
Split into simpler sentences: Grimsby Town Football Club is a professional football club based in the seaside town of Cleethorpes, North East Lincolnshire, England. The team compete in League Two, the fourth tier in the English football league system.