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 ":".
Bilić
was
appointed
on
9
June
on
a
three-year
contract
.
Bilić:person-other
was:O
appointed:O
on:O
9:O
June:O
on:O
a:O
three-year:O
contract:O
.:O