With no explanation, label each line with "O", "organization-sportsleague", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Dickinson
began
his
career
at
Blackpool
's
Centre
of
Excellence
,
where
he
was
offered
a
contract
,
but
he
chose
instead
to
sign
for
Bolton
Wanderers
,
before
joining
the
Blackburn
Rovers
academy
,
where
he
was
released
at
sixteen
before
signing
a
full-time
contract
.
Dickinson:O
began:O
his:O
career:O
at:O
Blackpool:organization-sportsleague
's:organization-sportsleague
Centre:organization-sportsleague
of:organization-sportsleague
Excellence:organization-sportsleague
,:O
where:O
he:O
was:O
offered:O
a:O
contract:O
,:O
but:O
he:O
chose:O
instead:O
to:O
sign:O
for:O
Bolton:organization-sportsteam
Wanderers:organization-sportsteam
,:O
before:O
joining:O
the:O
Blackburn:organization-sportsteam
Rovers:organization-sportsteam
academy:O
,:O
where:O
he:O
was:O
released:O
at:O
sixteen:O
before:O
signing:O
a:O
full-time:O
contract:O
.:O