Complex sentence: The event serves as a trial for the first colts' Classics of the European flat season, and the last winner to achieve victory in the 2,000 Guineas Stakes was Haafhd in 2004.
Split into simpler sentences: The event serves as a trial for the first colts' Classics of the European flat season. The last winner to achieve victory in the 2,000 Guineas was Haafhd in 2004.