With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
``
führungsmaschine
''
(
pathfinder
)
project
used
a
similar
Ju
88/Fw
190
combination
where
the
Ju
88
was
also
manned
and
the
Fw
190
was
carried
as
a
protective
escort
fighter
.
The:O
``:O
führungsmaschine:O
'':O
(:O
pathfinder:O
):O
project:O
used:O
a:O
similar:O
Ju:product-airplane
88/Fw:product-airplane
190:product-airplane
combination:O
where:O
the:O
Ju:product-airplane
88:product-airplane
was:O
also:O
manned:O
and:O
the:O
Fw:product-airplane
190:product-airplane
was:O
carried:O
as:O
a:O
protective:O
escort:O
fighter:O
.:O