With no explanation, label each line with "location-GPE", "O", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
displaced
by
the
discovery
of
a
number
of
taller
trees
in
Humboldt
Redwoods
State
Park
and
later
Redwood
National
Park
in
Humboldt
County
.
It:O
was:O
displaced:O
by:O
the:O
discovery:O
of:O
a:O
number:O
of:O
taller:O
trees:O
in:O
Humboldt:location-park
Redwoods:location-park
State:location-park
Park:location-park
and:O
later:O
Redwood:location-park
National:location-park
Park:location-park
in:O
Humboldt:location-GPE
County:location-GPE
.:O