With no explanation, label each line with "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1954
he
retired
from
politics
,
but
continued
to
play
an
important
role
in
the
creation
of
the
Canada
Council
.
In:O
1954:O
he:O
retired:O
from:O
politics:O
,:O
but:O
continued:O
to:O
play:O
an:O
important:O
role:O
in:O
the:O
creation:O
of:O
the:O
Canada:organization-government/governmentagency
Council:organization-government/governmentagency
.:O