With no explanation, label each line with "art-music", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
She
posted
a
cover
of
Rihanna
's
song
,
``
Rude
Boy
``
on
YouTube
.
She:O
posted:O
a:O
cover:O
of:O
Rihanna:person-artist/author
's:O
song:O
,:O
``:O
Rude:art-music
Boy:art-music
``:O
on:O
YouTube:O
.:O