With no explanation, label each line with "O", "building-airport", "product-weapon", "location-GPE", "organization-government/governmentagency", "person-soldier", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
The
last
recorded
UK
death
from
a
German
butterfly
bomb
in
England
occurred
on
November
27
,
1956
,
over
11
years
after
the
end
of
the
war
:
Flight
Lieutenant
Herbert
Derrington
of
the
RAF
was
examining
an
SD
2
at
the
``
Upminster
bomb
cemetery
''
(
some
remote
sandpits
situated
East
of
RAF
Hornchurch
,
where
explosive
ordnance
disposal
experimental
and
research
work
took
place
)
when
it
detonated
.
The:O
last:O
recorded:O
UK:location-GPE
death:O
from:O
a:O
German:location-GPE
butterfly:O
bomb:O
in:O
England:location-GPE
occurred:O
on:O
November:O
27:O
,:O
1956:O
,:O
over:O
11:O
years:O
after:O
the:O
end:O
of:O
the:O
war:O
::O
Flight:O
Lieutenant:O
Herbert:person-soldier
Derrington:person-soldier
of:O
the:O
RAF:organization-government/governmentagency
was:O
examining:O
an:O
SD:product-weapon
2:product-weapon
at:O
the:O
``:O
Upminster:O
bomb:O
cemetery:O
'':O
(:O
some:O
remote:O
sandpits:O
situated:O
East:O
of:O
RAF:building-airport
Hornchurch:building-airport
,:O
where:O
explosive:O
ordnance:O
disposal:O
experimental:O
and:O
research:O
work:O
took:O
place:O
):O
when:O
it:O
detonated:O
.:O