With no explanation, label each line with "product-other", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Schelp
noted
that
while
the
design
was
excellent
,
BMW
and
Jumo
were
so
far
ahead
they
simply
did
not
need
another
``
Class
I
``
engine
–
something
that
would
prove
ironic
in
another
two
years
when
both
of
those
engines
were
still
not
operational
.
Schelp:person-other
noted:O
that:O
while:O
the:O
design:O
was:O
excellent:O
,:O
BMW:product-other
and:O
Jumo:product-other
were:O
so:O
far:O
ahead:O
they:O
simply:O
did:O
not:O
need:O
another:O
``:O
Class:product-other
I:product-other
``:O
engine:O
–:O
something:O
that:O
would:O
prove:O
ironic:O
in:O
another:O
two:O
years:O
when:O
both:O
of:O
those:O
engines:O
were:O
still:O
not:O
operational:O
.:O