With no explanation, label each line with "organization-media/newspaper", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Throughout
2011
,
Ora
released
covers
and
videos
about
working
on
her
debut
album
on
YouTube
.
Throughout:O
2011:O
,:O
Ora:person-artist/author
released:O
covers:O
and:O
videos:O
about:O
working:O
on:O
her:O
debut:O
album:O
on:O
YouTube:organization-media/newspaper
.:O