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 ":".
Mark
and
Etherius
escaped
.
Mark:person-other
and:O
Etherius:person-other
escaped:O
.:O