With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Prior
to
that
era
,
Buchner
's
paper
and
reconstruction
of
the
obelisk
was
blindly
believed
and
deemed
as
accurate
.
Prior:O
to:O
that:O
era:O
,:O
Buchner:person-scholar
's:O
paper:O
and:O
reconstruction:O
of:O
the:O
obelisk:O
was:O
blindly:O
believed:O
and:O
deemed:O
as:O
accurate:O
.:O