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 ":".
Frank
also
co-hosted
a
benefit
to
protect
same-sex
marriage
in
Maryland
.
Frank:person-other
also:O
co-hosted:O
a:O
benefit:O
to:O
protect:O
same-sex:O
marriage:O
in:O
Maryland:location-GPE
.:O