With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Richard
also
allied
with
Humphrey
IV
of
Toron
,
Isabella
's
first
husband
,
from
whom
she
had
been
forcibly
divorced
in
1190
.
Richard:O
also:O
allied:O
with:O
Humphrey:person-other
IV:person-other
of:O
Toron:location-GPE
,:O
Isabella:person-other
's:O
first:O
husband:O
,:O
from:O
whom:O
she:O
had:O
been:O
forcibly:O
divorced:O
in:O
1190:O
.:O