With no explanation, label each line with "O", "event-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
label
enjoyed
considerable
publicity
during
the
2008
Presidential
campaign
when
then-Senator
Barack
Obama
wore
the
brand
extensively
,
including
suits
tailored
especially
for
his
acceptance
speech
and
the
2009
Presidential
Inaugural
Address
.
The:O
label:O
enjoyed:O
considerable:O
publicity:O
during:O
the:O
2008:O
Presidential:O
campaign:O
when:O
then-Senator:O
Barack:person-politician
Obama:person-politician
wore:O
the:O
brand:O
extensively:O
,:O
including:O
suits:O
tailored:O
especially:O
for:O
his:O
acceptance:O
speech:O
and:O
the:O
2009:O
Presidential:event-other
Inaugural:event-other
Address:event-other
.:O