With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
places
Puerto
Rico
at
an
enormous
disadvantage
when
compared
to
other
states
that
produce
electric
power
at
less
than
half
of
Puerto
Rico
's
price
.
This:O
places:O
Puerto:location-GPE
Rico:location-GPE
at:O
an:O
enormous:O
disadvantage:O
when:O
compared:O
to:O
other:O
states:O
that:O
produce:O
electric:O
power:O
at:O
less:O
than:O
half:O
of:O
Puerto:location-GPE
Rico:location-GPE
's:O
price:O
.:O