With no explanation, label each line with "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Though
once
a
thriving
(
relocated
)
town
of
300
people
supporting
an
array
of
mines
,
nothing
beyond
a
few
ruined
upper
buildings
and
block
foundations
remain
on
the
property
of
its
extensive
mill
,
once
a
1962
fire
destroyed
the
mine
's
working
infrastructure
.
Though:O
once:O
a:O
thriving:O
(:O
relocated:O
):O
town:O
of:O
300:O
people:O
supporting:O
an:O
array:O
of:O
mines:location-mountain
,:O
nothing:O
beyond:O
a:O
few:O
ruined:O
upper:O
buildings:O
and:O
block:O
foundations:O
remain:O
on:O
the:O
property:O
of:O
its:O
extensive:O
mill:O
,:O
once:O
a:O
1962:O
fire:O
destroyed:O
the:O
mine:location-mountain
's:O
working:O
infrastructure:O
.:O