With no explanation, label each line with "location-GPE", "O", "product-airplane", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
U.S
.
Navy
's
role
intended
for
the
F-111B
was
instead
filled
by
another
variable-geometry
design
,
the
Grumman
F-14
Tomcat
.
The:O
U.S:location-GPE
.:location-GPE
Navy:O
's:O
role:O
intended:O
for:O
the:O
F-111B:product-airplane
was:O
instead:O
filled:O
by:O
another:O
variable-geometry:O
design:O
,:O
the:O
Grumman:product-airplane
F-14:product-airplane
Tomcat:product-airplane
.:O