With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Westfield
is
killed
by
Donovan
.
Westfield:person-other
is:O
killed:O
by:O
Donovan:person-other
.:O