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
2012
,
there
were
6
gold
mines
in
Burkina
Faso
.
In:O
2012:O
,:O
there:O
were:O
6:O
gold:O
mines:O
in:O
Burkina:location-GPE
Faso:location-GPE
.:O