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 ":".
He
died
as
a
result
of
his
injuries
.
He:O
died:O
as:O
a:O
result:O
of:O
his:O
injuries:O
.:O