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
17
May
2012
,
Harford
was
appointed
as
assistant
manager
to
Karl
Robinson
at
Milton
Keynes
Dons
.
On:O
17:O
May:O
2012:O
,:O
Harford:person-athlete
was:O
appointed:O
as:O
assistant:O
manager:O
to:O
Karl:person-athlete
Robinson:person-athlete
at:O
Milton:organization-sportsteam
Keynes:organization-sportsteam
Dons:organization-sportsteam
.:O