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 ":".
For
a
while
,
both
LVM
and
EVMS
were
competing
for
inclusion
in
the
mainline
kernel
.
For:O
a:O
while:O
,:O
both:O
LVM:product-software
and:O
EVMS:product-software
were:O
competing:O
for:O
inclusion:O
in:O
the:O
mainline:O
kernel:O
.:O