With no explanation, label each line with "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
was
traded
to
Sydney
from
the
Crows
in
October
2007
in
exchange
for
draft
pick
number
28
.
He:O
was:O
traded:O
to:O
Sydney:organization-sportsteam
from:O
the:O
Crows:organization-sportsteam
in:O
October:O
2007:O
in:O
exchange:O
for:O
draft:O
pick:O
number:O
28:O
.:O