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 ":".
The
sign
is
also
an
ideogram
for
'face
'
,
and
related
words
.
The:O
sign:O
is:O
also:O
an:O
ideogram:O
for:O
'face:O
':O
,:O
and:O
related:O
words:O
.:O