Complex sentence: Denville Hall is a historic building in Northwood, a town in the London Borough of Hillingdon, England which is used as a retirement home for professional actors, actresses and other theatrical professions.
Split into simpler sentences: Denville Hall is a historic building in Northwood, a town in the London Borough of Hillingdon, England. It is used as a retirement home for professional actors, actresses and other theatrical professions.