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 ":".
Due
to
scaling
,
the
areas
of
the
nonane
peak
appear
to
have
different
areas
,
but
in
reality
the
areas
are
identical
.
Due:O
to:O
scaling:O
,:O
the:O
areas:O
of:O
the:O
nonane:O
peak:O
appear:O
to:O
have:O
different:O
areas:O
,:O
but:O
in:O
reality:O
the:O
areas:O
are:O
identical:O
.:O