With no explanation, label each line with "O", "organization-sportsteam", "person-other", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Stanford
University
hired
Johnson
as
head
coach
of
Cardinal
men
's
basketball
on
May
25
,
2004
.
Stanford:organization-education
University:organization-education
hired:O
Johnson:person-other
as:O
head:O
coach:O
of:O
Cardinal:organization-sportsteam
men:O
's:O
basketball:O
on:O
May:O
25:O
,:O
2004:O
.:O