With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
In
the
aftermath
of
the
poisoning
,
eels
as
large
as
and
trout
as
large
as
were
washed
up
dead
along
the
banks
of
the
river
.
In:O
the:O
aftermath:O
of:O
the:O
poisoning:O
,:O
eels:O
as:O
large:O
as:O
and:O
trout:O
as:O
large:O
as:O
were:O
washed:O
up:O
dead:O
along:O
the:O
banks:O
of:O
the:O
river:O
.:O