With no explanation, label each line with "organization-sportsteam", "organization-sportsleague", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Hawthorn
entered
the
season
as
the
three-time
defending
AFL
premiers
,
having
won
back-to-back-to-back
AFL
premierships
.
Hawthorn:organization-sportsteam
entered:O
the:O
season:O
as:O
the:O
three-time:O
defending:O
AFL:organization-sportsleague
premiers:O
,:O
having:O
won:O
back-to-back-to-back:O
AFL:organization-sportsleague
premierships:O
.:O