With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
After
a
stretch
of
summer
festival
performances
in
2009
,
Saadiq
embarked
on
another
leg
of
concerts
during
November
and
December
,
with
Melanie
Fiona
,
Janelle
Monáe
,
and
Anjulie
as
supporting
acts
.
After:O
a:O
stretch:O
of:O
summer:O
festival:O
performances:O
in:O
2009:O
,:O
Saadiq:person-actor
embarked:O
on:O
another:O
leg:O
of:O
concerts:O
during:O
November:O
and:O
December:O
,:O
with:O
Melanie:person-actor
Fiona:person-actor
,:O
Janelle:person-actor
Monáe:person-actor
,:O
and:O
Anjulie:person-actor
as:O
supporting:O
acts:O
.:O