[lemma=the] [tag=JJ] [tag=□] □ □
[lemma=the] [tag=JJ] [tag=NN] □ □
[lemma=the] [tag=JJ] [tag=JJ] □ □
On the same day ground was broken for the Louise C. Thomas Hall by the Apostolic delegate , Monsignor Falconio . The African Burial Ground was re-discovered in 1991 , when construction began on a federal office building in lower Manhattan .