With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
main
building
was
expanded
with
a
new
side
wings
designed
by
Palle
Suenson
in
1950–51
.
The:O
main:O
building:O
was:O
expanded:O
with:O
a:O
new:O
side:O
wings:O
designed:O
by:O
Palle:person-other
Suenson:person-other
in:O
1950–51:O
.:O