With no explanation, label each line with "O", "organization-sportsleague", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
came
back
to
AS
Vita
for
the
2011
season
and
qualified
them
for
the
CAF
Champions
League
.
He:O
came:O
back:O
to:O
AS:organization-sportsteam
Vita:organization-sportsteam
for:O
the:O
2011:O
season:O
and:O
qualified:O
them:O
for:O
the:O
CAF:organization-sportsleague
Champions:organization-sportsleague
League:organization-sportsleague
.:O