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 ":".
According
to
Xenophon
,
Meno
was
kept
alive
and
tortured
for
a
year
before
finally
being
killed
.
According:O
to:O
Xenophon:person-other
,:O
Meno:person-other
was:O
kept:O
alive:O
and:O
tortured:O
for:O
a:O
year:O
before:O
finally:O
being:O
killed:O
.:O