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 ":".
In
2003
the
lake
discharged
16.9
billion
cubic
metres
of
water
.
In:O
2003:O
the:O
lake:O
discharged:O
16.9:O
billion:O
cubic:O
metres:O
of:O
water:O
.:O