With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
She
died
on
April
6
,
1972
at
the
age
of
92
.
She:O
died:O
on:O
April:O
6:O
,:O
1972:O
at:O
the:O
age:O
of:O
92:O
.:O