With no explanation, label each line with "O", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
was
the
first
presidential
election
in
which
Hawaii
participated
;
the
state
had
been
admitted
to
the
Union
just
over
a
year
earlier
.
This:O
was:O
the:O
first:O
presidential:O
election:O
in:O
which:O
Hawaii:location-island
participated:O
;:O
the:O
state:O
had:O
been:O
admitted:O
to:O
the:O
Union:O
just:O
over:O
a:O
year:O
earlier:O
.:O