With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
A
major
change
was
the
proposal
that
the
governor
could
now
succeed
himself
once
.
A:O
major:O
change:O
was:O
the:O
proposal:O
that:O
the:O
governor:O
could:O
now:O
succeed:O
himself:O
once:O
.:O