With no explanation, label each line with "location-GPE", "building-other", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Lee
was
known
for
her
activism
against
the
damming
of
rivers
,
and
particularly
her
opposition
to
Glen
Canyon
Dam
in
Northern
Arizona
,
which
opened
in
1963
.
Lee:person-other
was:O
known:O
for:O
her:O
activism:O
against:O
the:O
damming:O
of:O
rivers:O
,:O
and:O
particularly:O
her:O
opposition:O
to:O
Glen:building-other
Canyon:building-other
Dam:building-other
in:O
Northern:location-GPE
Arizona:location-GPE
,:O
which:O
opened:O
in:O
1963:O
.:O