With no explanation, label each line with "location-GPE", "O", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Postal
rates
remained
those
of
Singapore
,
placing
this
State
inside
the
interior
rate
zone
of
Christmas
Island
.
Postal:O
rates:O
remained:O
those:O
of:O
Singapore:location-GPE
,:O
placing:O
this:O
State:O
inside:O
the:O
interior:O
rate:O
zone:O
of:O
Christmas:location-island
Island:location-island
.:O