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 ":".
Cotton
acreage
and
production
continued
to
increase
.
Cotton:O
acreage:O
and:O
production:O
continued:O
to:O
increase:O
.:O