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 ":".
Louis
Kahn
was
asked
to
design
the
monument
in
1972
.
Louis:person-other
Kahn:person-other
was:O
asked:O
to:O
design:O
the:O
monument:O
in:O
1972:O
.:O