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 ":".
The
act
of
publishing
occurred
while
the
Hillary
Clinton
presidential
campaign
,
2008
was
underway
.
The:O
act:O
of:O
publishing:O
occurred:O
while:O
the:O
Hillary:person-politician
Clinton:person-politician
presidential:O
campaign:O
,:O
2008:O
was:O
underway:O
.:O