With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Syngman
Rhee
became
the
first
president
of
South
Korea
,
and
Kim
Il-sung
became
the
supreme
leader
of
North
Korea
.
Syngman:person-politician
Rhee:person-politician
became:O
the:O
first:O
president:O
of:O
South:location-GPE
Korea:location-GPE
,:O
and:O
Kim:person-politician
Il-sung:person-politician
became:O
the:O
supreme:O
leader:O
of:O
North:location-GPE
Korea:location-GPE
.:O