sentences:  At age three, Roberto began his season by winning the Vauxhall Trial Stakes at Phoenix Park Racecourse and was then sent to England to contest the Classic 2000 Guineas at Newmarket.He was held up in the early stages but stayed on strongly to finish second by half a length to High Top, with the pair finishing six lengths clear of the other runners.Roberto had been ridden in the 2000 Guineas by the Australian jockey Bill Williamson.