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 ":".
The
fate
of
Ptolemy
Philadelphos
is
unknown
.
The:O
fate:O
of:O
Ptolemy:person-other
Philadelphos:person-other
is:O
unknown:O
.:O