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 ":".
Much
of
the
school
's
money
went
towards
subsidizing
poor
students
'
tuition
,
and
little
was
left
for
building
maintenance
.
Much:O
of:O
the:O
school:O
's:O
money:O
went:O
towards:O
subsidizing:O
poor:O
students:O
':O
tuition:O
,:O
and:O
little:O
was:O
left:O
for:O
building:O
maintenance:O
.:O