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 ":".
St.
Mary
's
enrollment
includes
students
in
grades
9-12
from
four
counties
and
approximately
30
school
districts
.
St.:O
Mary:O
's:O
enrollment:O
includes:O
students:O
in:O
grades:O
9-12:O
from:O
four:O
counties:O
and:O
approximately:O
30:O
school:O
districts:O
.:O