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 ":".
Hentunen
was
forced
to
leave
the
scene
in
police
protection
.
Hentunen:person-politician
was:O
forced:O
to:O
leave:O
the:O
scene:O
in:O
police:O
protection:O
.:O