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 ":".
However
his
style
was
totally
different
from
the
previous
one
.
However:O
his:O
style:O
was:O
totally:O
different:O
from:O
the:O
previous:O
one:O
.:O