With no explanation, label each line with "organization-company", "O", "person-scholar", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
history
of
the
ISASMELT
process
began
with
the
invention
in
1973
of
the
Sirosmelt
lance
by
Drs
Bill
Denholm
and
John
Floyd
at
the
CSIRO
.
The:O
history:O
of:O
the:O
ISASMELT:product-weapon
process:O
began:O
with:O
the:O
invention:O
in:O
1973:O
of:O
the:O
Sirosmelt:product-weapon
lance:O
by:O
Drs:person-scholar
Bill:person-scholar
Denholm:person-scholar
and:O
John:person-scholar
Floyd:person-scholar
at:O
the:O
CSIRO:organization-company
.:O