With no explanation, label each line with "O", "person-politician", "location-GPE", "person-artist/author", "art-writtenart", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
In
later
Roman
mythology
(
notably
Virgil
's
``
Aeneid
``
)
,
Latinus
,
or
Lavinius
,
was
a
king
of
the
Latins
.
In:O
later:O
Roman:location-GPE
mythology:O
(:O
notably:O
Virgil:person-artist/author
's:O
``:O
Aeneid:art-writtenart
``:O
):O
,:O
Latinus:person-politician
,:O
or:O
Lavinius:person-politician
,:O
was:O
a:O
king:O
of:O
the:O
Latins:location-GPE
.:O