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
left
just
over
a
year
later
to
re-join
Millwall
as
assistant
manager
.
He:O
left:O
just:O
over:O
a:O
year:O
later:O
to:O
re-join:O
Millwall:organization-sportsteam
as:O
assistant:O
manager:O
.:O