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 ":".
There
was
no
talk
of
a
constitutional
amendment
,
and
no
one
even
thought
it
was
possible—and
,
of
course
,
it
turned
out
it
was
n't
really
possible
to
happen
.
There:O
was:O
no:O
talk:O
of:O
a:O
constitutional:O
amendment:O
,:O
and:O
no:O
one:O
even:O
thought:O
it:O
was:O
possible—and:O
,:O
of:O
course:O
,:O
it:O
turned:O
out:O
it:O
was:O
n't:O
really:O
possible:O
to:O
happen:O
.:O