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 ":".
Of
these
,
three
are
listed
at
Grade
II
*
,
the
middle
of
the
three
grades
,
and
the
others
are
at
Grade
II
,
the
lowest
grade
.
Of:O
these:O
,:O
three:O
are:O
listed:O
at:O
Grade:O
II:O
*:O
,:O
the:O
middle:O
of:O
the:O
three:O
grades:O
,:O
and:O
the:O
others:O
are:O
at:O
Grade:O
II:O
,:O
the:O
lowest:O
grade:O
.:O