With no explanation, label each line with "organization-other", "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Former
Senator
William
Gwin
,
a
Confederate
sympathizer
,
was
arrested
and
fled
to
Europe
to
escape
trial
.
Former:O
Senator:O
William:person-politician
Gwin:person-politician
,:O
a:O
Confederate:organization-other
sympathizer:O
,:O
was:O
arrested:O
and:O
fled:O
to:O
Europe:location-GPE
to:O
escape:O
trial:O
.:O