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 ":".
At
that
time
she
was
the
largest
vessel
ever
to
be
wrecked
.
At:O
that:O
time:O
she:O
was:O
the:O
largest:O
vessel:O
ever:O
to:O
be:O
wrecked:O
.:O