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 ":".
I
'd
say
it
wo
n't
happen
for
at
least
five
years
.
''
I:O
'd:O
say:O
it:O
wo:O
n't:O
happen:O
for:O
at:O
least:O
five:O
years:O
.:O
'':O