With no explanation, label each line with "location-GPE", "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Due
to
the
fragile
Sri
Lankan
economy
the
crisis
cost
the
country
a
billion
US
dollars
in
reserves
,
dropping
from
$
7.991
billion
in
forex
reserves
to
$
6.985
billion
.
Due:O
to:O
the:O
fragile:O
Sri:location-GPE
Lankan:location-GPE
economy:O
the:O
crisis:O
cost:O
the:O
country:O
a:O
billion:O
US:other-currency
dollars:other-currency
in:O
reserves:O
,:O
dropping:O
from:O
$:other-currency
7.991:O
billion:O
in:O
forex:O
reserves:O
to:O
$:other-currency
6.985:O
billion:O
.:O