With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Third
group
lost
one
bomber
off
the
Kent
coast
on
24
August
,
but
the
target
is
unknown
.
Third:O
group:O
lost:O
one:O
bomber:O
off:O
the:O
Kent:location-GPE
coast:O
on:O
24:O
August:O
,:O
but:O
the:O
target:O
is:O
unknown:O
.:O