With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
October
2010
,
he
announced
his
retirement
from
Oracle
.
In:O
October:O
2010:O
,:O
he:O
announced:O
his:O
retirement:O
from:O
Oracle:organization-company
.:O