Complex sentence: The Church of St. Mary stands at the end of Stryd yr Eglwys (Church Street) this was originally the chapel of a Benedictine monastery and parts of the building date from the 12th century, and is still in use.
Split into simpler sentences: The Church of St. Mary stands at the end of Stryd yr Eglwys (Church Street). This was originally the chapel of a Benedictine monastery and parts of the building date from the 12th century; it is still in use.