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 ":".
In
the
studio
the
band
produced
a
number
of
demos
which
would
later
become
the
basis
for
their
debut
album
.
In:O
the:O
studio:O
the:O
band:O
produced:O
a:O
number:O
of:O
demos:O
which:O
would:O
later:O
become:O
the:O
basis:O
for:O
their:O
debut:O
album:O
.:O