With no explanation, label each line with "product-airplane", "O", "building-airport", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
On
27
April
1995
,
an
Avro
748
crashed
soon
after
taking
off
from
SLAF
Palaly
killing
all
on-board
which
included
Wing
Commander
Roger
Weerasinghe
,
SLAF
Northern
Zonal
Commander
and
several
wounded
soldiers
.
On:O
27:O
April:O
1995:O
,:O
an:O
Avro:product-airplane
748:product-airplane
crashed:O
soon:O
after:O
taking:O
off:O
from:O
SLAF:building-airport
Palaly:building-airport
killing:O
all:O
on-board:O
which:O
included:O
Wing:O
Commander:O
Roger:person-other
Weerasinghe:person-other
,:O
SLAF:building-airport
Northern:building-airport
Zonal:building-airport
Commander:O
and:O
several:O
wounded:O
soldiers:O
.:O