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 ":".
Five
different
sizes
of
rollers
were
available
,
6
ton
,
8
ton
,
10
ton
(
class
A
)
,
12
ton
(
class
B
)
,
14
ton
(
class
C
)
all
available
with
additional
extras
,
for
example
scarifiers
which
broke
up
the
road
surface
prior
to
re-laying
.
Five:O
different:O
sizes:O
of:O
rollers:O
were:O
available:O
,:O
6:O
ton:O
,:O
8:O
ton:O
,:O
10:O
ton:O
(:O
class:O
A:O
):O
,:O
12:O
ton:O
(:O
class:O
B:O
):O
,:O
14:O
ton:O
(:O
class:O
C:O
):O
all:O
available:O
with:O
additional:O
extras:O
,:O
for:O
example:O
scarifiers:O
which:O
broke:O
up:O
the:O
road:O
surface:O
prior:O
to:O
re-laying:O
.:O