With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
After
his
staff
car
was
strafed
by
an
RCAF
Spitfire
fighter
on
July
17
of
that
year
,
he
again
started
on
the
work
while
recuperating
from
his
injuries
.
After:O
his:O
staff:O
car:O
was:O
strafed:O
by:O
an:O
RCAF:organization-other
Spitfire:organization-other
fighter:organization-other
on:O
July:O
17:O
of:O
that:O
year:O
,:O
he:O
again:O
started:O
on:O
the:O
work:O
while:O
recuperating:O
from:O
his:O
injuries:O
.:O