With no explanation, label each line with "location-GPE", "O", "building-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
fought
3,000
miles
away
from
Puerto
Rico
,
at
Caesar
's
Palace
in
Las
Vega
s
.
It:O
was:O
fought:O
3,000:O
miles:O
away:O
from:O
Puerto:location-GPE
Rico:location-GPE
,:O
at:O
Caesar:building-other
's:building-other
Palace:building-other
in:O
Las:location-GPE
Vega:location-GPE
s:O
.:O