With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
5
May
1873
Denmark
with
Sweden
fixed
their
currencies
against
gold
and
formed
the
Scandinavian
Monetary
Union
.
On:O
5:O
May:O
1873:O
Denmark:location-GPE
with:O
Sweden:location-GPE
fixed:O
their:O
currencies:O
against:O
gold:O
and:O
formed:O
the:organization-other
Scandinavian:organization-other
Monetary:organization-other
Union:organization-other
.:O