With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
10
June
2012
,
West
died
of
cancer
in
hospital
.
On:O
10:O
June:O
2012:O
,:O
West:person-athlete
died:O
of:O
cancer:O
in:O
hospital:O
.:O