With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
12
September
2008
,
Berner
joined
Leicester
City
on
a
three-year
contract
and
was
issued
the
number
31
shirt
.
On:O
12:O
September:O
2008:O
,:O
Berner:person-athlete
joined:O
Leicester:organization-sportsteam
City:organization-sportsteam
on:O
a:O
three-year:O
contract:O
and:O
was:O
issued:O
the:O
number:O
31:O
shirt:O
.:O