With no explanation, label each line with "O", "organization-sportsleague", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
1977
John
Player
League
was
the
ninth
competing
of
what
was
generally
known
as
the
Sunday
League
.
The:O
1977:O
John:organization-sportsleague
Player:organization-sportsleague
League:organization-sportsleague
was:O
the:O
ninth:O
competing:O
of:O
what:O
was:O
generally:O
known:O
as:O
the:O
Sunday:organization-sportsleague
League:organization-sportsleague
.:O