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 ":".
They
removed
the
color
red
prior
to
the
1985–86
season
.
They:O
removed:O
the:O
color:O
red:O
prior:O
to:O
the:O
1985–86:O
season:O
.:O