With no explanation, label each line with "building-library", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Royal
Danish
Library
(
)
is
a
merger
of
the
two
previous
national
libraries
in
Denmark
:
the
State
and
University
Library
in
Aarhus
and
the
Royal
Library
in
Copenhagen
.
Royal:building-library
Danish:building-library
Library:building-library
(:O
):O
is:O
a:O
merger:O
of:O
the:O
two:O
previous:O
national:O
libraries:O
in:O
Denmark:location-GPE
::O
the:O
State:building-library
and:building-library
University:building-library
Library:building-library
in:O
Aarhus:location-GPE
and:O
the:O
Royal:building-library
Library:building-library
in:O
Copenhagen:location-GPE
.:O