With no explanation, label each line with "O", "building-hospital", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Lehman
died
on
July
2
,
2005
at
UCLA
Medical
Center
after
an
apparent
heart
attack
.
Lehman:person-other
died:O
on:O
July:O
2:O
,:O
2005:O
at:O
UCLA:building-hospital
Medical:building-hospital
Center:building-hospital
after:O
an:O
apparent:O
heart:O
attack:O
.:O