With no explanation, label each line with "organization-other", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
are
descendants
of
Emperor
Seiwa
(
850-880
)
and
are
a
branch
of
the
Ashikaga
clan
through
the
Shiba
clan
(
Seiwa
Genji
)
.
The:O
are:O
descendants:O
of:O
Emperor:O
Seiwa:person-politician
(:O
850-880:O
):O
and:O
are:O
a:O
branch:O
of:O
the:O
Ashikaga:organization-other
clan:organization-other
through:O
the:O
Shiba:organization-other
clan:organization-other
(:O
Seiwa:O
Genji:O
):O
.:O