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 ":".
He
made
a
profit
of
over
$
2
million
when
he
sold
the
land
for
the
stadium
.
He:O
made:O
a:O
profit:O
of:O
over:O
$:O
2:O
million:O
when:O
he:O
sold:O
the:O
land:O
for:O
the:O
stadium:O
.:O