With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
State
of
Alaska
's
Exxon
Valdez
Oil
Spill
Trustee
Council
stated
that
the
spill
``
is
widely
considered
the
number
one
spill
worldwide
in
terms
of
damage
to
the
environment
''
.
The:O
State:location-GPE
of:location-GPE
Alaska:location-GPE
's:O
Exxon:organization-other
Valdez:organization-other
Oil:organization-other
Spill:organization-other
Trustee:organization-other
Council:organization-other
stated:O
that:O
the:O
spill:O
``:O
is:O
widely:O
considered:O
the:O
number:O
one:O
spill:O
worldwide:O
in:O
terms:O
of:O
damage:O
to:O
the:O
environment:O
'':O
.:O