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 ":".
Its
apparent
magnitude
varies
from
+5.5
to
+11.7
with
a
period
of
418–441
days
;
recent
measurements
give
a
period
of
427.07
days
.
Its:O
apparent:O
magnitude:O
varies:O
from:O
+5.5:O
to:O
+11.7:O
with:O
a:O
period:O
of:O
418–441:O
days:O
;:O
recent:O
measurements:O
give:O
a:O
period:O
of:O
427.07:O
days:O
.:O