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 ":".
These
words
became
the
anthem
's
lyrics
.
These:O
words:O
became:O
the:O
anthem:O
's:O
lyrics:O
.:O