With no explanation, label each line with "location-GPE", "O", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Mark
I
continued
in
production
(
until
the
end
of
1940
)
while
supply
of
parts
from
the
United
States
was
resolved
.
The:O
Mark:product-weapon
I:product-weapon
continued:O
in:O
production:O
(:O
until:O
the:O
end:O
of:O
1940:O
):O
while:O
supply:O
of:O
parts:O
from:O
the:O
United:location-GPE
States:location-GPE
was:O
resolved:O
.:O