With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Originally
focused
on
stoner
rock
,
Roadburn
grew
into
a
major
event
spanning
the
entire
spectrum
of
heavy
rock
and
experimental
music
.
Originally:O
focused:O
on:O
stoner:O
rock:O
,:O
Roadburn:product-software
grew:O
into:O
a:O
major:O
event:O
spanning:O
the:O
entire:O
spectrum:O
of:O
heavy:O
rock:O
and:O
experimental:O
music:O
.:O