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 ":".
But
they
were
eliminated
in
the
group
stage
.
But:O
they:O
were:O
eliminated:O
in:O
the:O
group:O
stage:O
.:O