Complex sentence: The Priory Church of St Seiriol is a medieval church near Penmon in Anglesey, north Wales on the site of a former monastery, and dates back from the 10th century.
Split into simpler sentences: The Priory Church of St Seiriol is a medieval church near Penmon in Anglesey, north Wales. The site is also the location of a former monastery, and dates back from the 10th century.