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 ":".
Butler
escaped
as
part
of
a
command
group
deliberately
located
outside
the
city
.
Butler:person-other
escaped:O
as:O
part:O
of:O
a:O
command:O
group:O
deliberately:O
located:O
outside:O
the:O
city:O
.:O