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 ":".
Princess
Maria
found
King
Alexander
too
ugly
and
rejected
him
.
Princess:O
Maria:person-politician
found:O
King:O
Alexander:person-politician
too:O
ugly:O
and:O
rejected:O
him:O
.:O