With no explanation, label each line with "product-other", "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Corporal
used
a
liquid-fueled
rocket
burning
red
fuming
nitric
acid
(
RFNA
)
and
aniline
;
the
exact
mixture
of
fuel
and
oxidizer
changed
over
the
Corporal
service
period
.
Corporal:product-other
used:O
a:O
liquid-fueled:O
rocket:O
burning:other-chemicalthing
red:other-chemicalthing
fuming:other-chemicalthing
nitric:other-chemicalthing
acid:other-chemicalthing
(:O
RFNA:other-chemicalthing
):O
and:O
aniline:other-chemicalthing
;:O
the:O
exact:O
mixture:O
of:O
fuel:O
and:O
oxidizer:O
changed:O
over:O
the:product-other
Corporal:product-other
service:O
period:O
.:O