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 ":".
Plans
for
ADA
access
at
another
20
stations
were
announced
that
December
.
Plans:O
for:O
ADA:O
access:O
at:O
another:O
20:O
stations:O
were:O
announced:O
that:O
December:O
.:O