With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
As
of
2010
,
there
were
4,505
students
enrolled
.
As:O
of:O
2010:O
,:O
there:O
were:O
4,505:O
students:O
enrolled:O
.:O