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 ":".
The
power
was
provided
by
a
flywheel
which
the
gunner
spun
up
through
a
pedal
mechanism
.
The:O
power:O
was:O
provided:O
by:O
a:O
flywheel:O
which:O
the:O
gunner:O
spun:O
up:O
through:O
a:O
pedal:O
mechanism:O
.:O