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 ":".
stating
the
AA
could
not
track
accurately
below
500
feet
.
stating:O
the:O
AA:O
could:O
not:O
track:O
accurately:O
below:O
500:O
feet:O
.:O