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 ":".
The
High
Lift
was
a
``
one-off
''
experimental
,
flying
test-bed
for
the
system
of
slotted
flaps
invented
by
R.T.
Youngman
.
The:O
High:product-other
Lift:product-other
was:O
a:O
``:O
one-off:O
'':O
experimental:O
,:O
flying:O
test-bed:O
for:O
the:O
system:O
of:O
slotted:O
flaps:O
invented:O
by:O
R.T.:person-other
Youngman:person-other
.:O