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
airline
was
not
able
to
gain
the
scheduled
routes
it
needed
to
compete
effectively
.
The:O
airline:O
was:O
not:O
able:O
to:O
gain:O
the:O
scheduled:O
routes:O
it:O
needed:O
to:O
compete:O
effectively:O
.:O