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 ":".
She
was
usually
accompanied
by
Margie
Sherwin
on
piano
.
She:O
was:O
usually:O
accompanied:O
by:O
Margie:person-artist/author
Sherwin:person-artist/author
on:O
piano:O
.:O