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 ":".
After
the
17th
century
,
however
,
it
fell
from
favour
.
After:O
the:O
17th:O
century:O
,:O
however:O
,:O
it:O
fell:O
from:O
favour:O
.:O