With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Eventually
the
male
line
died
out
and
the
title
descended
through
an
heiress
to
the
Earls
of
Verulam
.
Eventually:O
the:O
male:O
line:O
died:O
out:O
and:O
the:O
title:O
descended:O
through:O
an:O
heiress:O
to:O
the:O
Earls:O
of:O
Verulam:person-politician
.:O