Complex sentence: Gunning attended St. Benildus College in Kilmacud and is also a former Gaelic football player, representing Naomh Ólaf and Kilmacud Crokes.
Split into simpler sentences: Gunning attended St. Benildus College in Kilmacud. He played Gaelic football for Naomh Ólaf and Kilmacud Crokes.