With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
his
mother
's
side
,
his
maternal
grandfather
was
a
Spanish
explorer
named
Don
Juan
del
Gallego
who
founded
the
town
of
Del
Gallego
,
Camarines
Sur
.
On:O
his:O
mother:O
's:O
side:O
,:O
his:O
maternal:O
grandfather:O
was:O
a:O
Spanish:location-GPE
explorer:O
named:O
Don:person-other
Juan:person-other
del:person-other
Gallego:person-other
who:O
founded:O
the:O
town:O
of:O
Del:location-GPE
Gallego:location-GPE
,:O
Camarines:O
Sur:O
.:O