With no explanation, label each line with "O", "other-award", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
While
there
he
scored
5
aerial
victories
and
took
part
in
destroying
8
on
the
ground
,
earning
a
DFC
in
March
1941
.
While:O
there:O
he:O
scored:O
5:O
aerial:O
victories:O
and:O
took:O
part:O
in:O
destroying:O
8:O
on:O
the:O
ground:O
,:O
earning:O
a:O
DFC:other-award
in:O
March:O
1941:O
.:O