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
piece
turns
former
airfields
into
vast
musical
canvases
,
calling
on
professional
,
amateur
and
student
musicians
to
execute
a
spatial
symphony
.
The:O
piece:O
turns:O
former:O
airfields:O
into:O
vast:O
musical:O
canvases:O
,:O
calling:O
on:O
professional:O
,:O
amateur:O
and:O
student:O
musicians:O
to:O
execute:O
a:O
spatial:O
symphony:O
.:O