Complex sentence: Portsmouth Guildhall is the biggest wedding, events and conference venue in the Hampshire city of Portsmouth, England, and it has been managed by the Portsmouth Cultural Trust, registered Charity number 1153358, since April 2011.
Split into simpler sentences: Portsmouth Guildhall is the biggest wedding, events and conference venue in the Hampshire city of Portsmouth, England. It has been managed by the Portsmouth Cultural Trust, registered Charity number 1153358, since April 2011.