With no explanation, label each line with "O", "organization-sportsleague", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Maine
State
League
was
formed
for
the
1907
season
as
an
eight–team
Class
D
minor
league
under
the
direction
of
president
Fred
K.
Owen
.
The:O
Maine:organization-sportsleague
State:organization-sportsleague
League:organization-sportsleague
was:O
formed:O
for:O
the:O
1907:O
season:O
as:O
an:O
eight–team:O
Class:O
D:O
minor:O
league:O
under:O
the:O
direction:O
of:O
president:O
Fred:person-other
K.:person-other
Owen:person-other
.:O