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 ":".
In
Belgium
,
the
story
is
more
obscure
.
In:O
Belgium:location-GPE
,:O
the:O
story:O
is:O
more:O
obscure:O
.:O