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 ":".
After
the
liberation
of
the
Korean
Peninsula
from
Japanese
forced
occupation
in
1945
,
the
dish
became
popular
in
Seoul
and
other
parts
of
South
Korea
,
by
refugees
from
Pyongan
.
After:O
the:O
liberation:O
of:O
the:O
Korean:location-GPE
Peninsula:location-GPE
from:O
Japanese:location-GPE
forced:O
occupation:O
in:O
1945:O
,:O
the:O
dish:O
became:O
popular:O
in:O
Seoul:location-GPE
and:O
other:O
parts:O
of:O
South:location-GPE
Korea:location-GPE
,:O
by:O
refugees:O
from:O
Pyongan:location-GPE
.:O