With no explanation, label each line with "O", "location-bodiesofwater", "person-scholar", "person-politician", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Some
early
Spanish
conquistadors
also
suggest
the
Maipo
River
or
a
nearby
area
as
boundary
including
Pedro
Mariño
de
Lobera
,
Hernando
de
Santillán
,
Gerónimo
de
Quiroga
,
Jerónimo
de
Vivar
and
Pedro
de
Valdivia
's
letter
to
Charles
V
,
Holy
Roman
Emperor
.
Some:O
early:O
Spanish:location-GPE
conquistadors:O
also:O
suggest:O
the:O
Maipo:location-bodiesofwater
River:location-bodiesofwater
or:O
a:O
nearby:O
area:O
as:O
boundary:O
including:O
Pedro:person-scholar
Mariño:person-scholar
de:person-scholar
Lobera:person-scholar
,:O
Hernando:person-scholar
de:person-scholar
Santillán:person-scholar
,:O
Gerónimo:person-scholar
de:person-scholar
Quiroga:person-scholar
,:O
Jerónimo:person-scholar
de:person-scholar
Vivar:person-scholar
and:O
Pedro:person-scholar
de:person-scholar
Valdivia:person-scholar
's:O
letter:O
to:O
Charles:person-politician
V:person-politician
,:person-politician
Holy:person-politician
Roman:person-politician
Emperor:person-politician
.:O