With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Its
name
(
``
capital
of
willows
''
)
is
also
one
of
the
historical
names
for
Pyongyang
.
Its:O
name:O
(:O
``:O
capital:O
of:O
willows:O
'':O
):O
is:O
also:O
one:O
of:O
the:O
historical:O
names:O
for:O
Pyongyang:location-GPE
.:O