With no explanation, label each line with "O", "building-theater", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Almost
all
of
the
Rodgers
and
Hart
songs
from
the
Broadway
musical
were
discarded
.
Almost:O
all:O
of:O
the:O
Rodgers:person-artist/author
and:O
Hart:person-artist/author
songs:O
from:O
the:O
Broadway:building-theater
musical:O
were:O
discarded:O
.:O