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 ":".
Her
parents
did
not
attend
the
wedding
in
1914
.
Her:O
parents:O
did:O
not:O
attend:O
the:O
wedding:O
in:O
1914:O
.:O