With no explanation, label each line with "O", "event-disaster", "organization-company", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
It
serves
as
a
memorial
for
the
workers
at
the
Brunner
Mond
chemical
plant
who
were
killed
on
active
service
during
the
First
and
Second
World
Wars
,
while
also
commemorating
the
people
killed
in
the
Silvertown
explosion
on
17
January
1917
.
It:O
serves:O
as:O
a:O
memorial:O
for:O
the:O
workers:O
at:O
the:O
Brunner:organization-company
Mond:organization-company
chemical:O
plant:O
who:O
were:O
killed:O
on:O
active:O
service:O
during:O
the:O
First:event-attack/battle/war/militaryconflict
and:event-attack/battle/war/militaryconflict
Second:event-attack/battle/war/militaryconflict
World:event-attack/battle/war/militaryconflict
Wars:event-attack/battle/war/militaryconflict
,:O
while:O
also:O
commemorating:O
the:O
people:O
killed:O
in:O
the:O
Silvertown:event-disaster
explosion:event-disaster
on:O
17:O
January:O
1917:O
.:O