Complex sentence: Social activities are organised by the St Hughs and West Marsh community centres, and there is a quarterly community magazine called'Riverside', which is distributed free to 5,000 homes in the West Marsh area.
Split into simpler sentences: Social activities are organised by the St Hughs and West Marsh community centres. There is a quarterly community magazine called'Riverside', which is distributed free to 5,000 homes in the West Marsh area.