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 ":".
A
number
of
volcanoes
have
been
active
around
Parinacota
in
the
last
one
million
years
.
A:O
number:O
of:O
volcanoes:O
have:O
been:O
active:O
around:O
Parinacota:location-GPE
in:O
the:O
last:O
one:O
million:O
years:O
.:O