With no explanation, label each line with "location-GPE", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
She
was
hired
as
an
engineering
technician
for
the
Eisenhower
Tunnel
construction
project
in
Colorado
in
1970
,
but
was
barred
from
performing
her
work
inside
the
tunnel
due
to
the
prevailing
superstition
that
women
who
went
underground
in
tunnels
or
mines
brought
bad
luck
,
endangering
the
male
workers
.
She:O
was:O
hired:O
as:O
an:O
engineering:O
technician:O
for:O
the:O
Eisenhower:building-other
Tunnel:building-other
construction:O
project:O
in:O
Colorado:location-GPE
in:O
1970:O
,:O
but:O
was:O
barred:O
from:O
performing:O
her:O
work:O
inside:O
the:O
tunnel:O
due:O
to:O
the:O
prevailing:O
superstition:O
that:O
women:O
who:O
went:O
underground:O
in:O
tunnels:O
or:O
mines:O
brought:O
bad:O
luck:O
,:O
endangering:O
the:O
male:O
workers:O
.:O