With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
He
was
promoted
to
major
in
1924
.
He:O
was:O
promoted:O
to:O
major:O
in:O
1924:O
.:O