With no explanation, label each line with "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Although
the
Broncos
did
not
receive
all
first-place
votes
in
the
coaches
'
poll
,
their
selection
was
effectively
unanimous
;
league
rules
prohibit
coaches
from
casting
first-place
votes
for
their
own
teams
.
Although:O
the:O
Broncos:organization-sportsteam
did:O
not:O
receive:O
all:O
first-place:O
votes:O
in:O
the:O
coaches:O
':O
poll:O
,:O
their:O
selection:O
was:O
effectively:O
unanimous:O
;:O
league:O
rules:O
prohibit:O
coaches:O
from:O
casting:O
first-place:O
votes:O
for:O
their:O
own:O
teams:O
.:O