With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Bicol
River
was
first
mentioned
in
Spanish
documents
in
1572
.
The:O
Bicol:location-bodiesofwater
River:location-bodiesofwater
was:O
first:O
mentioned:O
in:O
Spanish:location-GPE
documents:O
in:O
1572:O
.:O