Complex sentence: Oval rooms became popular in eighteenth century neoclassical architecture, and it is considered likely that Hoban was influenced by the elliptical chamber at Castle Coole in County Fermanagh, Northern Ireland.
Split into simpler sentences: Oval rooms became popular in eighteenth century neoclassical architecture. It is considered likely that Hoban was influenced by the elliptical chamber at Castle Coole in County Fermanagh, Northern Ireland.