With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
piece
was
begun
in
1949
,
and
composition
completed
in
1952
,
with
a
dedication
to
Ernest
Irving
.
The:O
piece:O
was:O
begun:O
in:O
1949:O
,:O
and:O
composition:O
completed:O
in:O
1952:O
,:O
with:O
a:O
dedication:O
to:O
Ernest:person-artist/author
Irving:person-artist/author
.:O