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 ":".
Late
the
next
day
,
the
depression
turned
abruptly
northward
.
Late:O
the:O
next:O
day:O
,:O
the:O
depression:O
turned:O
abruptly:O
northward:O
.:O