With no explanation, label each line with "O", "organization-sportsteam", "location-GPE", "organization-sportsleague", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
The
Prairie
Junior
Hockey
League
followed
British
Columbia
and
Alberta
and
also
withdrew
from
the
2018
Keystone
Cup
bringing
it
to
a
cross-border
clash
between
the
Keystone
Junior
Hockey
League
and
the
Lakehead
Junior
Hockey
League
,
won
by
the
host
Northern
Hawks
.
The:O
Prairie:organization-sportsleague
Junior:organization-sportsleague
Hockey:organization-sportsleague
League:organization-sportsleague
followed:O
British:location-GPE
Columbia:location-GPE
and:O
Alberta:location-GPE
and:O
also:O
withdrew:O
from:O
the:O
2018:O
Keystone:event-sportsevent
Cup:event-sportsevent
bringing:O
it:O
to:O
a:O
cross-border:O
clash:O
between:O
the:O
Keystone:organization-sportsleague
Junior:organization-sportsleague
Hockey:organization-sportsleague
League:organization-sportsleague
and:O
the:O
Lakehead:organization-sportsleague
Junior:organization-sportsleague
Hockey:organization-sportsleague
League:organization-sportsleague
,:O
won:O
by:O
the:O
host:O
Northern:organization-sportsteam
Hawks:organization-sportsteam
.:O