Complex sentence: On the 12 August 2005, Quick announced that he would not contest his seat at the next federal election, blaming what he called the party's left-right factional disputes and lack of a strong leader as the reasons for his retirement.
Split into simpler sentences: On the 12 August 2005, Quick announced that he would not contest his seat at the next federal election. Blaming what he called the party's left-right factional disputes and lack of a strong leader as the reasons for his retirement.