With no explanation, label each line with "location-GPE", "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
released
in
South
Korea
on
31
August
2002
for
Microsoft
Windows
.
It:O
was:O
released:O
in:O
South:location-GPE
Korea:location-GPE
on:O
31:O
August:O
2002:O
for:O
Microsoft:product-software
Windows:product-software
.:O