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 ":".
Pérez
previously
worked
with
Toby
Love
on
his
debut
single
``
Tengo
Un
Amor
''
and
other
artist
including
Ivy
Queen
.
Pérez:person-artist/author
previously:O
worked:O
with:O
Toby:person-artist/author
Love:person-artist/author
on:O
his:O
debut:O
single:O
``:O
Tengo:O
Un:O
Amor:O
'':O
and:O
other:O
artist:O
including:O
Ivy:person-artist/author
Queen:person-artist/author
.:O