With no explanation, label each line with "location-GPE", "O", "building-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Charles
XV
of
Sweden
preferred
Ulriksdal
Palace
as
his
summer
residence
and
ignored
Drottningholm
,
but
Oscar
II
of
Sweden
continued
the
repairs
.
Charles:person-politician
XV:person-politician
of:O
Sweden:location-GPE
preferred:O
Ulriksdal:building-other
Palace:building-other
as:O
his:O
summer:O
residence:O
and:O
ignored:O
Drottningholm:building-other
,:O
but:O
Oscar:person-politician
II:person-politician
of:O
Sweden:location-GPE
continued:O
the:O
repairs:O
.:O