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 ":".
His
aunt
,
however
,
was
impeached
not
long
after
shes
served
.
His:O
aunt:O
,:O
however:O
,:O
was:O
impeached:O
not:O
long:O
after:O
shes:O
served:O
.:O