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
fictionalized
version
of
Earth
)
,
but
takes
place
millennia
earlier
.
a:O
fictionalized:O
version:O
of:O
Earth:O
):O
,:O
but:O
takes:O
place:O
millennia:O
earlier:O
.:O