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 ":".
These
sounds
are
achieved
by
varying
the
striking
technique
and
position
.
These:O
sounds:O
are:O
achieved:O
by:O
varying:O
the:O
striking:O
technique:O
and:O
position:O
.:O