Complex sentence: All Saints' Church, Runcorn, is the parish church of Runcorn, Cheshire, England, and stands on the south bank of the River Mersey overlooking Runcorn Gap.
Split into simpler sentences: All Saints' Church, Runcorn, is the parish church of Runcorn, Cheshire, England. It stands on the south bank of the River Mersey overlooking Runcorn Gap.