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
league
also
held
a
supplemental
draft
after
the
regular
draft
and
before
the
regular
season
.
The:O
league:O
also:O
held:O
a:O
supplemental:O
draft:O
after:O
the:O
regular:O
draft:O
and:O
before:O
the:O
regular:O
season:O
.:O