With no explanation, label each line with "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Parallax
shift
(
measured
at
any
interval
of
half
of
a
year
)
is
21.75
milliarcseconds
,
which
corresponds
to
a
distance
of
the
star
of
around
from
Earth
.
Parallax:O
shift:O
(:O
measured:O
at:O
any:O
interval:O
of:O
half:O
of:O
a:O
year:O
):O
is:O
21.75:O
milliarcseconds:O
,:O
which:O
corresponds:O
to:O
a:O
distance:O
of:O
the:O
star:O
of:O
around:O
from:O
Earth:other-astronomything
.:O