Complex sentence: Between 2009 and 2013 Mervue United played in League of Ireland First Division and in their final season they finished third before losing a relegation/promotion play off against Longford Town.
Split into simpler sentences: Between 2009 and 2013 Mervue United played in the League of Ireland First Division. In their final season they finished third before losing a relegation/promotion play off against Longford Town.