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 ":".
On
the
smaller
bulk
carriers
,
one
or
two
four-stroke
diesels
are
used
to
turn
either
a
fixed
or
controllable-pitch
propeller
via
a
reduction
gearbox
,
which
may
also
incorporate
an
output
for
an
alternator
.
On:O
the:O
smaller:O
bulk:O
carriers:O
,:O
one:O
or:O
two:O
four-stroke:O
diesels:O
are:O
used:O
to:O
turn:O
either:O
a:O
fixed:O
or:O
controllable-pitch:O
propeller:O
via:O
a:O
reduction:O
gearbox:O
,:O
which:O
may:O
also:O
incorporate:O
an:O
output:O
for:O
an:O
alternator:O
.:O