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 ":".
Gibbs
built
the
tank
over
the
framework
of
a
excavator
and
added
tracks
that
were
driven
by
two
automatic
hydraulic
pumps
,
each
connected
to
a
Range
Rover
V8
engine
.
Gibbs:person-other
built:O
the:O
tank:O
over:O
the:O
framework:O
of:O
a:O
excavator:O
and:O
added:O
tracks:O
that:O
were:O
driven:O
by:O
two:O
automatic:O
hydraulic:O
pumps:O
,:O
each:O
connected:O
to:O
a:O
Range:product-other
Rover:product-other
V8:product-other
engine:O
.:O