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 ":".
Student
enrolments
increased
significantly
when
the
school
was
transformed
into
a
senior
campus
.
Student:O
enrolments:O
increased:O
significantly:O
when:O
the:O
school:O
was:O
transformed:O
into:O
a:O
senior:O
campus:O
.:O