With no explanation, label each line with "O", "building-airport", "product-weapon", "location-GPE", "person-soldier", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Flying
from
Langley
,
the
XB-15
arrived
at
Albrook
Field
in
Panama
on
10
April
1940
and
immediately
began
classified
bombing
tests
of
canal
lock
protections
,
commanded
by
Haynes
and
including
Captain
Curtis
LeMay
as
navigator
and
Lieutenant
John
B.
Montgomery
as
bombardier
.
Flying:O
from:O
Langley:location-GPE
,:O
the:O
XB-15:product-weapon
arrived:O
at:O
Albrook:building-airport
Field:building-airport
in:O
Panama:location-GPE
on:O
10:O
April:O
1940:O
and:O
immediately:O
began:O
classified:O
bombing:O
tests:O
of:O
canal:O
lock:O
protections:O
,:O
commanded:O
by:O
Haynes:person-soldier
and:O
including:O
Captain:person-soldier
Curtis:person-soldier
LeMay:person-soldier
as:O
navigator:O
and:O
Lieutenant:person-soldier
John:person-soldier
B.:person-soldier
Montgomery:person-soldier
as:O
bombardier:O
.:O