With no explanation, label each line with "O", "location-island", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
contains
two
main
mountain
ranges
,
the
Vancouver
Island
Ranges
on
Vancouver
Island
and
the
Queen
Charlotte
Mountains
on
the
Queen
Charlotte
Islands
.
It:O
contains:O
two:O
main:O
mountain:O
ranges:O
,:O
the:location-mountain
Vancouver:location-mountain
Island:location-mountain
Ranges:location-mountain
on:O
Vancouver:location-island
Island:location-island
and:O
the:location-mountain
Queen:location-mountain
Charlotte:location-mountain
Mountains:location-mountain
on:O
the:location-island
Queen:location-island
Charlotte:location-island
Islands:location-island
.:O