With no explanation, label each line with "location-GPE", "building-other", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Princess
Louise
was
born
at
Amalienborg
Palace
in
Copenhagen
on
17
February
1875
.
Princess:O
Louise:person-politician
was:O
born:O
at:O
Amalienborg:building-other
Palace:building-other
in:O
Copenhagen:location-GPE
on:O
17:O
February:O
1875:O
.:O