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 ":".
The
later
birds
usually
spend
more
time
at
rest
stops
.
The:O
later:O
birds:O
usually:O
spend:O
more:O
time:O
at:O
rest:O
stops:O
.:O