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 ":".
While
there
had
been
art
depicting
spaceflight
and
alien
worlds
prior
to
1865
,
they
were
based
heavily
on
mysticism
as
opposed
to
science
.
While:O
there:O
had:O
been:O
art:O
depicting:O
spaceflight:O
and:O
alien:O
worlds:O
prior:O
to:O
1865:O
,:O
they:O
were:O
based:O
heavily:O
on:O
mysticism:O
as:O
opposed:O
to:O
science:O
.:O