[lemma=on] [tag=DT] [lemma=□] □
[lemma=on] [tag=DT] [lemma="two-day"] □
[lemma=on] [tag=DT] [lemma=to] □
However , David Trimble , then leader of the UUP , was not present as he was still on a two-day visit to the United States of America ( USA ) .