With no explanation, label each line with "O", "event-protest", "product-weapon", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
May
1980
,
during
the
Antrim
Road
standoff
,
an
IRA
active
service
unit
dubbed
the
``
M60
Gang
``
because
of
their
use
of
a
M60
machine
gun
killed
a
high
ranking
SAS
officer
and
injured
a
second
.
In:O
May:O
1980:O
,:O
during:O
the:O
Antrim:event-protest
Road:event-protest
standoff:event-protest
,:O
an:O
IRA:organization-other
active:O
service:O
unit:O
dubbed:O
the:O
``:O
M60:organization-other
Gang:organization-other
``:O
because:O
of:O
their:O
use:O
of:O
a:O
M60:product-weapon
machine:product-weapon
gun:product-weapon
killed:O
a:O
high:O
ranking:O
SAS:organization-other
officer:O
and:O
injured:O
a:O
second:O
.:O