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
outer
walls
of
the
temples
here
are
simple
,
clean
surfaces
.
The:O
outer:O
walls:O
of:O
the:O
temples:O
here:O
are:O
simple:O
,:O
clean:O
surfaces:O
.:O