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
unexpectedly
of
typhoid
fever
at
age
16
,
long
before
he
could
reach
the
throne
.
He:O
died:O
unexpectedly:O
of:O
typhoid:O
fever:O
at:O
age:O
16:O
,:O
long:O
before:O
he:O
could:O
reach:O
the:O
throne:O
.:O